151185450 has 192 divisors, whose sum is σ = 433972224. Its totient is φ = 34560000.

The previous prime is 151185449. The next prime is 151185467. The reversal of 151185450 is 54581151.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2478420 + ... + 2478480.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 2^151185450 is an apocalyptic number.

151185450 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 151185450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216986112).

151185450 is an abundant number, since it is smaller than the sum of its proper divisors (282786774).

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

151185450 is a wasteful number, since it uses less digits than its factorization.

151185450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

The square root of 151185450 is about 12295.7492654982. The cubic root of 151185450 is about 532.7253118688.

The spelling of 151185450 in words is "one hundred fifty-one million, one hundred eighty-five thousand, four hundred fifty".