145253055554 has 16 divisors (see below), whose sum is σ = 218985270336. Its totient is φ = 72258392400.

The previous prime is 145253055533. The next prime is 145253055587. The reversal of 145253055554 is 455550352541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580124 + ... + 791864.

It is an arithmetic number, because the mean of its divisors is an integer number (13686579396).

Almost surely, 2^145253055554 is an apocalyptic number.

145253055554 is a deficient number, since it is larger than the sum of its proper divisors (73732214782).

145253055554 is a wasteful number, since it uses less digits than its factorization.

145253055554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213481.

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 145253055554 in words is "one hundred forty-five billion, two hundred fifty-three million, fifty-five thousand, five hundred fifty-four".