151666450 has 48 divisors (see below), whose sum is σ = 305121096. Its totient is φ = 55756800.

The previous prime is 151666423. The next prime is 151666511. The reversal of 151666450 is 54666151.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 4116841 + 147549609 = 2029^2 + 12147^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229120 + ... + 229780.

Almost surely, 2^151666450 is an apocalyptic number.

151666450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151666450 is an abundant number, since it is smaller than the sum of its proper divisors (153454646).

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

151666450 is a wasteful number, since it uses less digits than its factorization.

151666450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 151666450 is about 12315.2933379599. The cubic root of 151666450 is about 533.2896730752.

The spelling of 151666450 in words is "one hundred fifty-one million, six hundred sixty-six thousand, four hundred fifty".