145072608857 has 8 divisors (see below), whose sum is σ = 160039242720. Its totient is φ = 130402344160.

The previous prime is 145072608847. The next prime is 145072608931. The reversal of 145072608857 is 758806270541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145072608857 - 2³⁴ = 127892739673 is a prime.

It is a super-2 number, since 2×145072608857² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145072608799 and 145072608808.

It is not an unprimeable number, because it can be changed into a prime (145072608827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74091263 + ... + 74093220.

It is an arithmetic number, because the mean of its divisors is an integer number (20004905340).

Almost surely, 2^145072608857 is an apocalyptic number.

It is an amenable number.

145072608857 is a deficient number, since it is larger than the sum of its proper divisors (14966633863).

145072608857 is a wasteful number, since it uses less digits than its factorization.

145072608857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148184583.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 145072608857 in words is "one hundred forty-five billion, seventy-two million, six hundred eight thousand, eight hundred fifty-seven".