151980499 has 4 divisors (see below), whose sum is σ = 165796920. Its totient is φ = 138164080.

The previous prime is 151980467. The next prime is 151980511. The reversal of 151980499 is 994089151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151980499 - 2⁵ = 151980467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151989499) 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 3 ways as a sum of consecutive naturals, for example, 6908194 + ... + 6908215.

It is an arithmetic number, because the mean of its divisors is an integer number (41449230).

Almost surely, 2^151980499 is an apocalyptic number.

151980499 is a deficient number, since it is larger than the sum of its proper divisors (13816421).

151980499 is a wasteful number, since it uses less digits than its factorization.

151980499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816420.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 151980499 is about 12328.0371105866. The cubic root of 151980499 is about 533.6575057417.

The spelling of 151980499 in words is "one hundred fifty-one million, nine hundred eighty thousand, four hundred ninety-nine".