151494420 has 192 divisors, whose sum is σ = 535191552. Its totient is φ = 31363200.

The previous prime is 151494419. The next prime is 151494433. The reversal of 151494420 is 24494151.

It is a super-2 number, since 2×151494420² = 45901118582272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558885 + ... + 559155.

It is an arithmetic number, because the mean of its divisors is an integer number (2787456).

Almost surely, 2^151494420 is an apocalyptic number.

151494420 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 151494420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267595776).

151494420 is an abundant number, since it is smaller than the sum of its proper divisors (383697132).

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

151494420 is a wasteful number, since it uses less digits than its factorization.

151494420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 151494420 is about 12308.3069509986. The cubic root of 151494420 is about 533.0879661259.

The spelling of 151494420 in words is "one hundred fifty-one million, four hundred ninety-four thousand, four hundred twenty".