151763994 has 24 divisors (see below), whose sum is σ = 329101812. Its totient is φ = 50544960.

The previous prime is 151763993. The next prime is 151763999. The reversal of 151763994 is 499367151.

151763994 is a `hidden beast` number, since 1 + 5 + 1 + 7 + 639 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142491969 + 9272025 = 11937^2 + 3045^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151763993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23812 + ... + 29504.

Almost surely, 2^151763994 is an apocalyptic number.

151763994 is an abundant number, since it is smaller than the sum of its proper divisors (177337818).

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

151763994 is a wasteful number, since it uses less digits than its factorization.

151763994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7179 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 151763994 is about 12319.2529805991. The cubic root of 151763994 is about 533.4039766667.

The spelling of 151763994 in words is "one hundred fifty-one million, seven hundred sixty-three thousand, nine hundred ninety-four".