145551660402054 has 16 divisors (see below), whose sum is σ = 291217523785200. Its totient is φ = 48498186303840.

The previous prime is 145551660401989. The next prime is 145551660402073. The reversal of 145551660402054 is 450204066155541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145551660401994 and 145551660402012.

It is a congruent number.

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, 4758440977 + ... + 4758471564.

It is an arithmetic number, because the mean of its divisors is an integer number (18201095236575).

Almost surely, 2^{145551660402054} is an apocalyptic number.

145551660402054 is an abundant number, since it is smaller than the sum of its proper divisors (145665863383146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145551660402054 is a wasteful number, since it uses less digits than its factorization.

145551660402054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516915095.

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 145551660402054 in words is "one hundred forty-five trillion, five hundred fifty-one billion, six hundred sixty million, four hundred two thousand, fifty-four".