145400180755231 has 8 divisors (see below), whose sum is σ = 147875090952960. Its totient is φ = 142925620569432.

The previous prime is 145400180755183. The next prime is 145400180755331. The reversal of 145400180755231 is 132557081004541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145400180755231 - 2¹⁵ = 145400180722463 is a prime.

It is a super-2 number, since 2×145400180755231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145400180755331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86665015 + ... + 88326808.

It is an arithmetic number, because the mean of its divisors is an integer number (18484386369120).

Almost surely, 2^{145400180755231} is an apocalyptic number.

145400180755231 is a deficient number, since it is larger than the sum of its proper divisors (2474910197729).

145400180755231 is a wasteful number, since it uses less digits than its factorization.

145400180755231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175005965.

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 145400180755231 in words is "one hundred forty-five trillion, four hundred billion, one hundred eighty million, seven hundred fifty-five thousand, two hundred thirty-one".