145702456889 has 8 divisors (see below), whose sum is σ = 159630318432. Its totient is φ = 131888292640.

The previous prime is 145702456829. The next prime is 145702456927. The reversal of 145702456889 is 988654207541.

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

It is a cyclic number.

It is not a de Polignac number, because 145702456889 - 2⁸ = 145702456633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145702456829) 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, 28421639 + ... + 28426764.

It is an arithmetic number, because the mean of its divisors is an integer number (19953789804).

Almost surely, 2^145702456889 is an apocalyptic number.

It is an amenable number.

145702456889 is a deficient number, since it is larger than the sum of its proper divisors (13927861543).

145702456889 is a wasteful number, since it uses less digits than its factorization.

145702456889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56848647.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 145702456889 in words is "one hundred forty-five billion, seven hundred two million, four hundred fifty-six thousand, eight hundred eighty-nine".