145192952427 has 24 divisors (see below), whose sum is σ = 199028505600. Its totient is φ = 94147805808.

The previous prime is 145192952423. The next prime is 145192952461. The reversal of 145192952427 is 724259291541.

It is not a de Polignac number, because 145192952427 - 2² = 145192952423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145192952427.

It is not an unprimeable number, because it can be changed into a prime (145192952423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270974 + ... + 1380492.

It is an arithmetic number, because the mean of its divisors is an integer number (8292854400).

Almost surely, 2^145192952427 is an apocalyptic number.

145192952427 is a deficient number, since it is larger than the sum of its proper divisors (53835553173).

145192952427 is a wasteful number, since it uses less digits than its factorization.

145192952427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109847 (or 109804 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The spelling of 145192952427 in words is "one hundred forty-five billion, one hundred ninety-two million, nine hundred fifty-two thousand, four hundred twenty-seven".