151623252 has 168 divisors, whose sum is σ = 451715040. Its totient is φ = 44089920.

The previous prime is 151623239. The next prime is 151623257. The reversal of 151623252 is 252326151.

It is a happy number.

151623252 is a `hidden beast` number, since 15 + 1 + 623 + 25 + 2 = 666.

It is a super-2 number, since 2×151623252² = 45979221094111008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (3600) is a multiple of the sum of its prime factors (225).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151623257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 930123 + ... + 930285.

It is an arithmetic number, because the mean of its divisors is an integer number (2688780).

Almost surely, 2^151623252 is an apocalyptic number.

151623252 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 151623252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225857520).

151623252 is an abundant number, since it is smaller than the sum of its proper divisors (300091788).

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

151623252 is a wasteful number, since it uses less digits than its factorization.

151623252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 208 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 151623252 is about 12313.5393774495. The cubic root of 151623252 is about 533.2390373220.

The spelling of 151623252 in words is "one hundred fifty-one million, six hundred twenty-three thousand, two hundred fifty-two".