145617559401 has 8 divisors (see below), whose sum is σ = 194161129984. Its totient is φ = 97076180880.

The previous prime is 145617559369. The next prime is 145617559427. The reversal of 145617559401 is 104955716541.

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

It is not a de Polignac number, because 145617559401 - 2⁵ = 145617559369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145617559601) 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, 386185 + ... + 663606.

It is an arithmetic number, because the mean of its divisors is an integer number (24270141248).

Almost surely, 2^145617559401 is an apocalyptic number.

It is an amenable number.

145617559401 is a deficient number, since it is larger than the sum of its proper divisors (48543570583).

145617559401 is a wasteful number, since it uses less digits than its factorization.

145617559401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096031.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 145617559401 in words is "one hundred forty-five billion, six hundred seventeen million, five hundred fifty-nine thousand, four hundred one".