151011432 has 128 divisors (see below), whose sum is σ = 492912000. Its totient is φ = 42232320.

The previous prime is 151011431. The next prime is 151011451. The reversal of 151011432 is 234110151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (151011431) 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, 28444 + ... + 33332.

It is an arithmetic number, because the mean of its divisors is an integer number (3850875).

Almost surely, 2^151011432 is an apocalyptic number.

151011432 is a gapful number since it is divisible by the number (12) 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 151011432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246456000).

151011432 is an abundant number, since it is smaller than the sum of its proper divisors (341900568).

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

151011432 is a wasteful number, since it uses less digits than its factorization.

151011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928 (or 4918 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151011432 is about 12288.6708801237. The cubic root of 151011432 is about 532.5208402873.

Adding to 151011432 its reverse (234110151), we get a palindrome (385121583).

The spelling of 151011432 in words is "one hundred fifty-one million, eleven thousand, four hundred thirty-two".