155415145542514 has 96 divisors (see below), whose sum is σ = 285030364405248. Its totient is φ = 63066780057600.

The previous prime is 155415145542511. The next prime is 155415145542521. The reversal of 155415145542514 is 415245541514551.

155415145542514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155415145542511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158185074 + ... + 159164530.

It is an arithmetic number, because the mean of its divisors is an integer number (2969066295888).

Almost surely, 2^{155415145542514} is an apocalyptic number.

155415145542514 is a deficient number, since it is larger than the sum of its proper divisors (129615218862734).

155415145542514 is a wasteful number, since it uses less digits than its factorization.

155415145542514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981152 (or 981141 counting only the distinct ones).

The product of its digits is 8000000, while the sum is 52.

The spelling of 155415145542514 in words is "one hundred fifty-five trillion, four hundred fifteen billion, one hundred forty-five million, five hundred forty-two thousand, five hundred fourteen".