145243038031 has 32 divisors (see below), whose sum is σ = 186620249088. Its totient is φ = 109869661440.

The previous prime is 145243038019. The next prime is 145243038119. The reversal of 145243038031 is 130830342541.

It is not a de Polignac number, because 145243038031 - 2⁷ = 145243037903 is a prime.

It is a super-2 number, since 2×145243038031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145243038631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4792516 + ... + 4822726.

It is an arithmetic number, because the mean of its divisors is an integer number (5831882784).

Almost surely, 2^145243038031 is an apocalyptic number.

145243038031 is a deficient number, since it is larger than the sum of its proper divisors (41377211057).

145243038031 is a wasteful number, since it uses less digits than its factorization.

145243038031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32551.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 145243038031 in words is "one hundred forty-five billion, two hundred forty-three million, thirty-eight thousand, thirty-one".