145574173583501 has 16 divisors (see below), whose sum is σ = 158846900889600. Its totient is φ = 132599768041728.

The previous prime is 145574173583411. The next prime is 145574173583533. The reversal of 145574173583501 is 105385371475541.

It is a de Polignac number, because none of the positive numbers 2^k-145574173583501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145574173583591) 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, 38485436 + ... + 42098421.

It is an arithmetic number, because the mean of its divisors is an integer number (9927931305600).

Almost surely, 2^{145574173583501} is an apocalyptic number.

It is an amenable number.

145574173583501 is a deficient number, since it is larger than the sum of its proper divisors (13272727306099).

145574173583501 is a wasteful number, since it uses less digits than its factorization.

145574173583501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80585708.

The product of its (nonzero) digits is 35280000, while the sum is 59.

The spelling of 145574173583501 in words is "one hundred forty-five trillion, five hundred seventy-four billion, one hundred seventy-three million, five hundred eighty-three thousand, five hundred one".