151890005 has 16 divisors (see below), whose sum is σ = 187552704. Its totient is φ = 118039680.

The previous prime is 151889989. The next prime is 151890029. The reversal of 151890005 is 500098151.

It is not a de Polignac number, because 151890005 - 2⁴ = 151889989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151890005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21350 + ... + 27560.

It is an arithmetic number, because the mean of its divisors is an integer number (11722044).

Almost surely, 2^151890005 is an apocalyptic number.

It is an amenable number.

151890005 is a deficient number, since it is larger than the sum of its proper divisors (35662699).

151890005 is an equidigital number, since it uses as much as digits as its factorization.

151890005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 151890005 is about 12324.3663123099. The cubic root of 151890005 is about 533.5515658551.

The spelling of 151890005 in words is "one hundred fifty-one million, eight hundred ninety thousand, five".