151979790 has 32 divisors (see below), whose sum is σ = 368105760. Its totient is φ = 40155264.

The previous prime is 151979783. The next prime is 151979797. The reversal of 151979790 is 97979151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (151979783) and next prime (151979797).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151979797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19969 + ... + 26508.

It is an arithmetic number, because the mean of its divisors is an integer number (11503305).

Almost surely, 2^151979790 is an apocalyptic number.

151979790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151979790 is an abundant number, since it is smaller than the sum of its proper divisors (216125970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151979790 is a wasteful number, since it uses less digits than its factorization.

151979790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46596.

The product of its (nonzero) digits is 178605, while the sum is 48.

The square root of 151979790 is about 12328.0083549615. The cubic root of 151979790 is about 533.6566758902.

The spelling of 151979790 in words is "one hundred fifty-one million, nine hundred seventy-nine thousand, seven hundred ninety".