45403743 has 48 divisors (see below), whose sum is σ = 78731136. Its totient is φ = 23002560.

The previous prime is 45403723. The next prime is 45403751. The reversal of 45403743 is 34730454.

It is not a de Polignac number, because 45403743 - 2¹³ = 45395551 is a prime.

It is a super-2 number, since 2×45403743² = 4122999756820098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45403743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45403723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69205 + ... + 69857.

It is an arithmetic number, because the mean of its divisors is an integer number (1640232).

Almost surely, 2^45403743 is an apocalyptic number.

45403743 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45403743 is a deficient number, since it is larger than the sum of its proper divisors (33327393).

45403743 is a wasteful number, since it uses less digits than its factorization.

45403743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 45403743 is about 6738.2299604570. The cubic root of 45403743 is about 356.7499209771.

Subtracting from 45403743 its reverse (34730454), we obtain a square (10673289 = 3267²).

The spelling of 45403743 in words is "forty-five million, four hundred three thousand, seven hundred forty-three".