145394584601554 has 32 divisors (see below), whose sum is σ = 219568285702656. Its totient is φ = 72207103584000.

The previous prime is 145394584601543. The next prime is 145394584601579. The reversal of 145394584601554 is 455106485493541.

It is a happy number.

145394584601554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145394584601554² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243432774 + ... + 244029310.

It is an arithmetic number, because the mean of its divisors is an integer number (6861508928208).

Almost surely, 2^{145394584601554} is an apocalyptic number.

145394584601554 is a deficient number, since it is larger than the sum of its proper divisors (74173701101102).

145394584601554 is a wasteful number, since it uses less digits than its factorization.

145394584601554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598170.

The product of its (nonzero) digits is 207360000, while the sum is 64.

The spelling of 145394584601554 in words is "one hundred forty-five trillion, three hundred ninety-four billion, five hundred eighty-four million, six hundred one thousand, five hundred fifty-four".