145773475131 has 16 divisors (see below), whose sum is σ = 202637293056. Its totient is φ = 93131272416.

The previous prime is 145773475121. The next prime is 145773475139. The reversal of 145773475131 is 131574377541.

It is not a de Polignac number, because 145773475131 - 2²¹ = 145771377979 is a prime.

It is a super-2 number, since 2×145773475131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145773475139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10653795 + ... + 10667468.

It is an arithmetic number, because the mean of its divisors is an integer number (12664830816).

Almost surely, 2^145773475131 is an apocalyptic number.

145773475131 is a deficient number, since it is larger than the sum of its proper divisors (56863817925).

145773475131 is a wasteful number, since it uses less digits than its factorization.

145773475131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21321362.

The product of its digits is 1234800, while the sum is 48.

The spelling of 145773475131 in words is "one hundred forty-five billion, seven hundred seventy-three million, four hundred seventy-five thousand, one hundred thirty-one".