151315155 has 32 divisors (see below), whose sum is σ = 269939520. Its totient is φ = 80421120.

The previous prime is 151315141. The next prime is 151315189. The reversal of 151315155 is 551513151.

151315155 is a `hidden beast` number, since 15 + 131 + 515 + 5 = 666.

It is not a de Polignac number, because 151315155 - 2⁷ = 151315027 is a prime.

It is a super-2 number, since 2×151315155² = 45792552265348050, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40465 + ... + 44045.

It is an arithmetic number, because the mean of its divisors is an integer number (8435610).

Almost surely, 2^151315155 is an apocalyptic number.

151315155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151315155 is a deficient number, since it is larger than the sum of its proper divisors (118624365).

151315155 is a wasteful number, since it uses less digits than its factorization.

151315155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3902 counting only the distinct ones).

The product of its digits is 1875, while the sum is 27.

The square root of 151315155 is about 12301.0225184738. The cubic root of 151315155 is about 532.8776135311.

The spelling of 151315155 in words is "one hundred fifty-one million, three hundred fifteen thousand, one hundred fifty-five".