145512653 has 16 divisors (see below), whose sum is σ = 171412416. Its totient is φ = 121779840.

The previous prime is 145512643. The next prime is 145512701. The reversal of 145512653 is 356215541.

It is not a de Polignac number, because 145512653 - 2¹⁰ = 145511629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145512623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62201 + ... + 64497.

It is an arithmetic number, because the mean of its divisors is an integer number (10713276).

Almost surely, 2^145512653 is an apocalyptic number.

145512653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145512653 is a deficient number, since it is larger than the sum of its proper divisors (25899763).

145512653 is a wasteful number, since it uses less digits than its factorization.

145512653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its digits is 18000, while the sum is 32.

The square root of 145512653 is about 12062.8625541370. The cubic root of 145512653 is about 525.9772009857.

The spelling of 145512653 in words is "one hundred forty-five million, five hundred twelve thousand, six hundred fifty-three".