151919955 has 72 divisors (see below), whose sum is σ = 299008944. Its totient is φ = 73483200.

The previous prime is 151919941. The next prime is 151919959. The reversal of 151919955 is 559919151.

It is not a de Polignac number, because 151919955 - 2⁷ = 151919827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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

It is a self number, because there is not a number n which added to its sum of digits gives 151919955.

It is not an unprimeable number, because it can be changed into a prime (151919959) 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 71 ways as a sum of consecutive naturals, for example, 360645 + ... + 361065.

It is an arithmetic number, because the mean of its divisors is an integer number (4152902).

Almost surely, 2^151919955 is an apocalyptic number.

151919955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151919955 is a deficient number, since it is larger than the sum of its proper divisors (147088989).

151919955 is an frugal number, since it uses more digits than its factorization.

151919955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 440 counting only the distinct ones).

The product of its digits is 91125, while the sum is 45.

The square root of 151919955 is about 12325.5813250329. The cubic root of 151919955 is about 533.5866325013.

The spelling of 151919955 in words is "one hundred fifty-one million, nine hundred nineteen thousand, nine hundred fifty-five".