151794840 has 128 divisors (see below), whose sum is σ = 470059200. Its totient is φ = 39198720.

The previous prime is 151794829. The next prime is 151794847. The reversal of 151794840 is 48497151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151794847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651364 + ... + 651596.

Almost surely, 2^151794840 is an apocalyptic number.

151794840 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 151794840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235029600).

151794840 is an abundant number, since it is smaller than the sum of its proper divisors (318264360).

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

151794840 is a wasteful number, since it uses less digits than its factorization.

151794840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 151794840 is about 12320.5048597856. The cubic root of 151794840 is about 533.4401123009.

The spelling of 151794840 in words is "one hundred fifty-one million, seven hundred ninety-four thousand, eight hundred forty".