151421200 has 120 divisors (see below), whose sum is σ = 426222720. Its totient is φ = 50611200.

The previous prime is 151421183. The next prime is 151421201. The reversal of 151421200 is 2124151.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151421201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114141 + ... + 115459.

It is an arithmetic number, because the mean of its divisors is an integer number (3551856).

Almost surely, 2^151421200 is an apocalyptic number.

151421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213111360).

151421200 is an abundant number, since it is smaller than the sum of its proper divisors (274801520).

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

151421200 is a wasteful number, since it uses less digits than its factorization.

151421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 151421200 is about 12305.3321775562. The cubic root of 151421200 is about 533.0020685925.

Adding to 151421200 its reverse (2124151), we get a palindrome (153545351).

The spelling of 151421200 in words is "one hundred fifty-one million, four hundred twenty-one thousand, two hundred".