15149901 has 8 divisors (see below), whose sum is σ = 21753760. Its totient is φ = 9322992.

The previous prime is 15149887. The next prime is 15149969. The reversal of 15149901 is 10994151.

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

It is not a de Polignac number, because 15149901 - 2⁶ = 15149837 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 (15169901) 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, 194191 + ... + 194268.

It is an arithmetic number, because the mean of its divisors is an integer number (2719220).

Almost surely, 2^15149901 is an apocalyptic number.

It is an amenable number.

15149901 is a deficient number, since it is larger than the sum of its proper divisors (6603859).

15149901 is a wasteful number, since it uses less digits than its factorization.

15149901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388475.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 15149901 is about 3892.2873737688. The cubic root of 15149901 is about 247.4400140310.

The spelling of 15149901 in words is "fifteen million, one hundred forty-nine thousand, nine hundred one".