155147547656450 has 24 divisors (see below), whose sum is σ = 289066047620112. Its totient is φ = 61953296701520.

The previous prime is 155147547656443. The next prime is 155147547656561. The reversal of 155147547656450 is 54656745741551.

It is a super-3 number, since 3×155147547656450³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2643029384 + ... + 2643088083.

It is an arithmetic number, because the mean of its divisors is an integer number (12044418650838).

Almost surely, 2^{155147547656450} is an apocalyptic number.

155147547656450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155147547656450 is a deficient number, since it is larger than the sum of its proper divisors (133918499963662).

155147547656450 is a wasteful number, since it uses less digits than its factorization.

155147547656450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286118066 (or 5286118061 counting only the distinct ones).

The product of its (nonzero) digits is 352800000, while the sum is 65.

The spelling of 155147547656450 in words is "one hundred fifty-five trillion, one hundred forty-seven billion, five hundred forty-seven million, six hundred fifty-six thousand, four hundred fifty".