151495993 has 24 divisors (see below), whose sum is σ = 180182016. Its totient is φ = 126783360.

The previous prime is 151495979. The next prime is 151496041. The reversal of 151495993 is 399594151.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-151495993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151495193) 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 23 ways as a sum of consecutive naturals, for example, 95896 + ... + 97462.

It is an arithmetic number, because the mean of its divisors is an integer number (7507584).

Almost surely, 2^151495993 is an apocalyptic number.

It is an amenable number.

151495993 is a deficient number, since it is larger than the sum of its proper divisors (28686023).

151495993 is a wasteful number, since it uses less digits than its factorization.

151495993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1642 counting only the distinct ones).

The product of its digits is 218700, while the sum is 46.

The square root of 151495993 is about 12308.3708507666. The cubic root of 151495993 is about 533.0898111762.

The spelling of 151495993 in words is "one hundred fifty-one million, four hundred ninety-five thousand, nine hundred ninety-three".