145024625633 has 4 divisors (see below), whose sum is σ = 145080557508. Its totient is φ = 144968693760.

The previous prime is 145024625621. The next prime is 145024625693. The reversal of 145024625633 is 336526420541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53495989264 + 91528636369 = 231292^2 + 302537^2 .

It is a cyclic number.

It is not a de Polignac number, because 145024625633 - 2⁸ = 145024625377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145024625693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27962048 + ... + 27967233.

It is an arithmetic number, because the mean of its divisors is an integer number (36270139377).

Almost surely, 2^145024625633 is an apocalyptic number.

It is an amenable number.

145024625633 is a deficient number, since it is larger than the sum of its proper divisors (55931875).

145024625633 is an equidigital number, since it uses as much as digits as its factorization.

145024625633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55931874.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 145024625633 in words is "one hundred forty-five billion, twenty-four million, six hundred twenty-five thousand, six hundred thirty-three".