145259274022 has 16 divisors (see below), whose sum is σ = 221718454272. Its totient is φ = 71358784200.

The previous prime is 145259274011. The next prime is 145259274047. The reversal of 145259274022 is 220472952541.

It is a super-2 number, since 2×145259274022² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145259274022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363854 + ... + 1466497.

It is an arithmetic number, because the mean of its divisors is an integer number (13857403392).

Almost surely, 2^145259274022 is an apocalyptic number.

145259274022 is a deficient number, since it is larger than the sum of its proper divisors (76459180250).

145259274022 is a wasteful number, since it uses less digits than its factorization.

145259274022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830803.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 145259274022 in words is "one hundred forty-five billion, two hundred fifty-nine million, two hundred seventy-four thousand, twenty-two".