145031151544 has 16 divisors (see below), whose sum is σ = 271968154920. Its totient is φ = 72506310240.

The previous prime is 145031151527. The next prime is 145031151581. The reversal of 145031151544 is 445151130541.

It is a congruent number.

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, 1091442 + ... + 1217089.

Almost surely, 2^145031151544 is an apocalyptic number.

It is an amenable number.

145031151544 is a deficient number, since it is larger than the sum of its proper divisors (126937003376).

145031151544 is a wasteful number, since it uses less digits than its factorization.

145031151544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316390 (or 2316386 counting only the distinct ones).

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

The spelling of 145031151544 in words is "one hundred forty-five billion, thirty-one million, one hundred fifty-one thousand, five hundred forty-four".