145225790541 has 32 divisors (see below), whose sum is σ = 231771182720. Its totient is φ = 89341978752.

The previous prime is 145225790461. The next prime is 145225790609. The reversal of 145225790541 is 145097522541.

145225790541 is a `hidden beast` number, since 1 + 4 + 5 + 22 + 579 + 0 + 54 + 1 = 666.

It is not a de Polignac number, because 145225790541 - 2⁹ = 145225790029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145225790041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1098201 + ... + 1223313.

It is an arithmetic number, because the mean of its divisors is an integer number (7242849460).

Almost surely, 2^145225790541 is an apocalyptic number.

It is an amenable number.

145225790541 is a deficient number, since it is larger than the sum of its proper divisors (86545392179).

145225790541 is a wasteful number, since it uses less digits than its factorization.

145225790541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128442 (or 128436 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 145225790541 in words is "one hundred forty-five billion, two hundred twenty-five million, seven hundred ninety thousand, five hundred forty-one".