151421673 has 32 divisors (see below), whose sum is σ = 234743040. Its totient is φ = 86042880.

The previous prime is 151421657. The next prime is 151421681. The reversal of 151421673 is 376124151.

It is not a de Polignac number, because 151421673 - 2⁴ = 151421657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151421673.

It is not an unprimeable number, because it can be changed into a prime (151421603) 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 31 ways as a sum of consecutive naturals, for example, 23103 + ... + 28923.

It is an arithmetic number, because the mean of its divisors is an integer number (7335720).

Almost surely, 2^151421673 is an apocalyptic number.

151421673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

151421673 is a deficient number, since it is larger than the sum of its proper divisors (83321367).

151421673 is a wasteful number, since it uses less digits than its factorization.

151421673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889.

The product of its digits is 5040, while the sum is 30.

The square root of 151421673 is about 12305.3513968517. The cubic root of 151421673 is about 533.0026235780.

The spelling of 151421673 in words is "one hundred fifty-one million, four hundred twenty-one thousand, six hundred seventy-three".