151679890 has 8 divisors (see below), whose sum is σ = 273023820. Its totient is φ = 60671952.

The previous prime is 151679863. The next prime is 151679897. The reversal of 151679890 is 98976151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148571721 + 3108169 = 12189^2 + 1763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 151679890.

It is not an unprimeable number, because it can be changed into a prime (151679897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7583985 + ... + 7584004.

Almost surely, 2^151679890 is an apocalyptic number.

151679890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151679890 is a deficient number, since it is larger than the sum of its proper divisors (121343930).

151679890 is a wasteful number, since it uses less digits than its factorization.

151679890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167996.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 151679890 is about 12315.8389888793. The cubic root of 151679890 is about 533.3054251890.

It can be divided in two parts, 1516 and 79890, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 151679890 in words is "one hundred fifty-one million, six hundred seventy-nine thousand, eight hundred ninety".