151033440 has 192 divisors, whose sum is σ = 512096256. Its totient is φ = 37281792.

The previous prime is 151033429. The next prime is 151033471. The reversal of 151033440 is 44330151.

It is a super-2 number, since 2×151033440² = 45622199996467200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677169 + ... + 677391.

It is an arithmetic number, because the mean of its divisors is an integer number (2667168).

Almost surely, 2^151033440 is an apocalyptic number.

151033440 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 151033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256048128).

151033440 is an abundant number, since it is smaller than the sum of its proper divisors (361062816).

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

151033440 is a wasteful number, since it uses less digits than its factorization.

151033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 151033440 is about 12289.5663064243. The cubic root of 151033440 is about 532.5467084158.

Adding to 151033440 its reverse (44330151), we get a palindrome (195363591).

The spelling of 151033440 in words is "one hundred fifty-one million, thirty-three thousand, four hundred forty".