113021445 has 16 divisors (see below), whose sum is σ = 181095552. Its totient is φ = 60191040.

The previous prime is 113021431. The next prime is 113021459. The reversal of 113021445 is 544120311.

It is an interprime number because it is at equal distance from previous prime (113021431) and next prime (113021459).

It is not a de Polignac number, because 113021445 - 2⁵ = 113021413 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6075 + ... + 16215.

It is an arithmetic number, because the mean of its divisors is an integer number (11318472).

Almost surely, 2^113021445 is an apocalyptic number.

113021445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113021445 is a deficient number, since it is larger than the sum of its proper divisors (68074107).

113021445 is a wasteful number, since it uses less digits than its factorization.

113021445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 113021445 is about 10631.1544528334. The cubic root of 113021445 is about 483.4893941815.

Adding to 113021445 its reverse (544120311), we get a palindrome (657141756).

The spelling of 113021445 in words is "one hundred thirteen million, twenty-one thousand, four hundred forty-five".