151247250 has 320 divisors, whose sum is σ = 532756224. Its totient is φ = 31104000.

The previous prime is 151247227. The next prime is 151247251. The reversal of 151247250 is 52742151.

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

It is not an unprimeable number, because it can be changed into a prime (151247251) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1559202 + ... + 1559298.

Almost surely, 2^151247250 is an apocalyptic number.

151247250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151247250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266378112).

151247250 is an abundant number, since it is smaller than the sum of its proper divisors (381508974).

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

151247250 is a wasteful number, since it uses less digits than its factorization.

151247250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 151247250 is about 12298.2620723418. The cubic root of 151247250 is about 532.7978892660.

The spelling of 151247250 in words is "one hundred fifty-one million, two hundred forty-seven thousand, two hundred fifty".