145355402531155 has 16 divisors (see below), whose sum is σ = 189938094055200. Its totient is φ = 106365332666880.

The previous prime is 145355402531137. The next prime is 145355402531161. The reversal of 145355402531155 is 551135204553541.

It is not a de Polignac number, because 145355402531155 - 2²³ = 145355394142547 is a prime.

It is a super-2 number, since 2×145355402531155² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145355402531099 and 145355402531108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26380288086 + ... + 26380293595.

It is an arithmetic number, because the mean of its divisors is an integer number (11871130878450).

Almost surely, 2^{145355402531155} is an apocalyptic number.

145355402531155 is a deficient number, since it is larger than the sum of its proper divisors (44582691524045).

145355402531155 is a wasteful number, since it uses less digits than its factorization.

145355402531155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52760581734.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 145355402531155 in words is "one hundred forty-five trillion, three hundred fifty-five billion, four hundred two million, five hundred thirty-one thousand, one hundred fifty-five".