151512 has 32 divisors (see below), whose sum is σ = 388800. Its totient is φ = 49184.

The previous prime is 151507. The next prime is 151517. The reversal of 151512 is 215151.

It is an interprime number because it is at equal distance from previous prime (151507) and next prime (151517).

It is a super-2 number, since 2×151512² = 45911772288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151491 and 151500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

2¹⁵¹⁵¹² is an apocalyptic number.

151512 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 151512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194400).

151512 is an abundant number, since it is smaller than the sum of its proper divisors (237288).

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

151512 is a wasteful number, since it uses less digits than its factorization.

151512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 171 counting only the distinct ones).

The product of its digits is 50, while the sum is 15.

The square root of 151512 is about 389.2454238652. The cubic root of 151512 is about 53.3108585860.

Adding to 151512 its reverse (215151), we get a palindrome (366663).

The spelling of 151512 in words is "one hundred fifty-one thousand, five hundred twelve".