155050272 has 72 divisors (see below), whose sum is σ = 474852924. Its totient is φ = 47706624.

The previous prime is 155050267. The next prime is 155050277. The reversal of 155050272 is 272050551.

It is a happy number.

155050272 is a `hidden beast` number, since 155 + 0 + 502 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (155050267) and next prime (155050277).

It can be written as a sum of positive squares in 2 ways, for example, as 154853136 + 197136 = 12444^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (155050277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16963 + ... + 24450.

Almost surely, 2^155050272 is an apocalyptic number.

155050272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155050272 is an abundant number, since it is smaller than the sum of its proper divisors (319802652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155050272 is a wasteful number, since it uses less digits than its factorization.

155050272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41442 (or 41431 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 155050272 is about 12451.9184064143. The cubic root of 155050272 is about 537.2266034894.

The spelling of 155050272 in words is "one hundred fifty-five million, fifty thousand, two hundred seventy-two".