149357406 has 32 divisors (see below), whose sum is σ = 326798208. Its totient is φ = 45131040.

The previous prime is 149357387. The next prime is 149357407. The reversal of 149357406 is 604753941.

149357406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149357407) 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, 21585 + ... + 27651.

It is an arithmetic number, because the mean of its divisors is an integer number (10212444).

Almost surely, 2^149357406 is an apocalyptic number.

149357406 is an abundant number, since it is smaller than the sum of its proper divisors (177440802).

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

149357406 is a wasteful number, since it uses less digits than its factorization.

149357406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 149357406 is about 12221.1867672497. The cubic root of 149357406 is about 530.5694674134.

The spelling of 149357406 in words is "one hundred forty-nine million, three hundred fifty-seven thousand, four hundred six".