151355997 has 24 divisors (see below), whose sum is σ = 236597088. Its totient is φ = 92685600.

The previous prime is 151355993. The next prime is 151355999. The reversal of 151355997 is 799553151.

151355997 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 559 + 97 = 666.

It is not a de Polignac number, because 151355997 - 2² = 151355993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151355993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21622 + ... + 27752.

It is an arithmetic number, because the mean of its divisors is an integer number (9858212).

Almost surely, 2^151355997 is an apocalyptic number.

It is an amenable number.

151355997 is a deficient number, since it is larger than the sum of its proper divisors (85241091).

151355997 is a wasteful number, since it uses less digits than its factorization.

151355997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361 (or 6358 counting only the distinct ones).

The product of its digits is 212625, while the sum is 45.

The square root of 151355997 is about 12302.6825123629. The cubic root of 151355997 is about 532.9255528351.

The spelling of 151355997 in words is "one hundred fifty-one million, three hundred fifty-five thousand, nine hundred ninety-seven".