145860031398 has 32 divisors (see below), whose sum is σ = 301092347520. Its totient is φ = 47082562560.

The previous prime is 145860031397. The next prime is 145860031409. The reversal of 145860031398 is 893130068541.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145860031397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051163 + ... + 3098598.

It is an arithmetic number, because the mean of its divisors is an integer number (9409135860).

Almost surely, 2^145860031398 is an apocalyptic number.

145860031398 is an abundant number, since it is smaller than the sum of its proper divisors (155232316122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145860031398 is a wasteful number, since it uses less digits than its factorization.

145860031398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149892.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 145860031398 in words is "one hundred forty-five billion, eight hundred sixty million, thirty-one thousand, three hundred ninety-eight".