145504405512514 has 16 divisors (see below), whose sum is σ = 222525305927352. Its totient is φ = 71340824988288.

The previous prime is 145504405512481. The next prime is 145504405512523. The reversal of 145504405512514 is 415215504405541.

It can be written as a sum of positive squares in 4 ways, for example, as 145280425752289 + 223979760225 = 12053233^2 + 473265^2 .

It is a super-2 number, since 2×145504405512514² (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 7 ways as a sum of consecutive naturals, for example, 2880337509 + ... + 2880388024.

Almost surely, 2^{145504405512514} is an apocalyptic number.

145504405512514 is a deficient number, since it is larger than the sum of its proper divisors (77020900414838).

145504405512514 is a wasteful number, since it uses less digits than its factorization.

145504405512514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760725781.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 145504405512514 in words is "one hundred forty-five trillion, five hundred four billion, four hundred five million, five hundred twelve thousand, five hundred fourteen".