145431110554 has 8 divisors (see below), whose sum is σ = 222262640820. Its totient is φ = 71343563616.

The previous prime is 145431110533. The next prime is 145431110653. The reversal of 145431110554 is 455011134541.

It can be written as a sum of positive squares in 2 ways, for example, as 144455485329 + 975625225 = 380073^2 + 31235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685995699 + ... + 685995910.

Almost surely, 2^145431110554 is an apocalyptic number.

145431110554 is a deficient number, since it is larger than the sum of its proper divisors (76831530266).

145431110554 is a wasteful number, since it uses less digits than its factorization.

145431110554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371991664.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 145431110554 in words is "one hundred forty-five billion, four hundred thirty-one million, one hundred ten thousand, five hundred fifty-four".