151501493 has 16 divisors (see below), whose sum is σ = 178790976. Its totient is φ = 126560640.

The previous prime is 151501489. The next prime is 151501531. The reversal of 151501493 is 394105151.

It is a cyclic number.

It is not a de Polignac number, because 151501493 - 2² = 151501489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151501453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31046 + ... + 35592.

It is an arithmetic number, because the mean of its divisors is an integer number (11174436).

Almost surely, 2^151501493 is an apocalyptic number.

151501493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

151501493 is a deficient number, since it is larger than the sum of its proper divisors (27289483).

151501493 is a wasteful number, since it uses less digits than its factorization.

151501493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 151501493 is about 12308.5942739210. The cubic root of 151501493 is about 533.0962623005.

The spelling of 151501493 in words is "one hundred fifty-one million, five hundred one thousand, four hundred ninety-three".