145625623875 has 64 divisors (see below), whose sum is σ = 273038238720. Its totient is φ = 76572972000.

The previous prime is 145625623853. The next prime is 145625623877. The reversal of 145625623875 is 578326526541.

145625623875 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 2 + 5 + 623 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 145625623875 - 2¹³ = 145625615683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145625623877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64237 + ... + 543486.

It is an arithmetic number, because the mean of its divisors is an integer number (4266222480).

Almost surely, 2^145625623875 is an apocalyptic number.

145625623875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145625623875 is a deficient number, since it is larger than the sum of its proper divisors (127412614845).

145625623875 is an equidigital number, since it uses as much as digits as its factorization.

145625623875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607818 (or 607802 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 145625623875 in words is "one hundred forty-five billion, six hundred twenty-five million, six hundred twenty-three thousand, eight hundred seventy-five".