151490999 has 8 divisors (see below), whose sum is σ = 167972880. Its totient is φ = 135460800.

The previous prime is 151490981. The next prime is 151491001. The reversal of 151490999 is 999094151.

It is a happy number.

151490999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151490999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151490909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112214 + ... + 113555.

It is an arithmetic number, because the mean of its divisors is an integer number (20996610).

Almost surely, 2^151490999 is an apocalyptic number.

151490999 is a deficient number, since it is larger than the sum of its proper divisors (16481881).

151490999 is a wasteful number, since it uses less digits than its factorization.

151490999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225841.

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 151490999 is about 12308.1679790292. The cubic root of 151490999 is about 533.0839534200.

The spelling of 151490999 in words is "one hundred fifty-one million, four hundred ninety thousand, nine hundred ninety-nine".