151055550 has 48 divisors (see below), whose sum is σ = 416245680. Its totient is φ = 40281120.

The previous prime is 151055549. The next prime is 151055551. The reversal of 151055550 is 55550151.

151055550 is a `hidden beast` number, since 1 + 5 + 105 + 5 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (151055549) and next prime (151055551).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54597 + ... + 57296.

It is an arithmetic number, because the mean of its divisors is an integer number (8671785).

Almost surely, 2^151055550 is an apocalyptic number.

151055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151055550 is an abundant number, since it is smaller than the sum of its proper divisors (265190130).

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

151055550 is a wasteful number, since it uses less digits than its factorization.

151055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111914 (or 111903 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 151055550 is about 12290.4658170470. The cubic root of 151055550 is about 532.5726939044.

The spelling of 151055550 in words is "one hundred fifty-one million, fifty-five thousand, five hundred fifty".