145476786725 has 24 divisors (see below), whose sum is σ = 182234268552. Its totient is φ = 115193088000.

The previous prime is 145476786713. The next prime is 145476786757. The reversal of 145476786725 is 527687674541.

It can be written as a sum of positive squares in 12 ways, for example, as 45993949444 + 99482837281 = 214462^2 + 315409^2 .

It is not a de Polignac number, because 145476786725 - 2³⁶ = 76757309989 is a prime.

It is a super-2 number, since 2×145476786725² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10479389 + ... + 10493261.

It is an arithmetic number, because the mean of its divisors is an integer number (7593094523).

Almost surely, 2^145476786725 is an apocalyptic number.

It is an amenable number.

145476786725 is a deficient number, since it is larger than the sum of its proper divisors (36757481827).

145476786725 is a wasteful number, since it uses less digits than its factorization.

145476786725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137 (or 18132 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 62.

The spelling of 145476786725 in words is "one hundred forty-five billion, four hundred seventy-six million, seven hundred eighty-six thousand, seven hundred twenty-five".