151043994 has 32 divisors (see below), whose sum is σ = 342800640. Its totient is φ = 49275936.

The previous prime is 151043989. The next prime is 151043999. The reversal of 151043994 is 499340151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (151043989) and next prime (151043999).

It is not an unprimeable number, because it can be changed into a prime (151043999) 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 15 ways as a sum of consecutive naturals, for example, 27219 + ... + 32294.

It is an arithmetic number, because the mean of its divisors is an integer number (10712520).

Almost surely, 2^151043994 is an apocalyptic number.

151043994 is an abundant number, since it is smaller than the sum of its proper divisors (191756646).

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

151043994 is a wasteful number, since it uses less digits than its factorization.

151043994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59571 (or 59565 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 151043994 is about 12289.9956875501. The cubic root of 151043994 is about 532.5591126601.

The spelling of 151043994 in words is "one hundred fifty-one million, forty-three thousand, nine hundred ninety-four".