151651420 has 24 divisors (see below), whose sum is σ = 332315424. Its totient is φ = 58022976.

The previous prime is 151651403. The next prime is 151651427. The reversal of 151651420 is 24156151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151651427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164379 + ... + 165298.

It is an arithmetic number, because the mean of its divisors is an integer number (13846476).

Almost surely, 2^151651420 is an apocalyptic number.

151651420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151651420 is an abundant number, since it is smaller than the sum of its proper divisors (180664004).

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

151651420 is a wasteful number, since it uses less digits than its factorization.

151651420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329709 (or 329707 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 151651420 is about 12314.6831059512. The cubic root of 151651420 is about 533.2720563279.

The spelling of 151651420 in words is "one hundred fifty-one million, six hundred fifty-one thousand, four hundred twenty".