149964540 has 48 divisors (see below), whose sum is σ = 458075520. Its totient is φ = 36354880.

The previous prime is 149964533. The next prime is 149964553. The reversal of 149964540 is 45469941.

149964540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149964492 and 149964501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112950 + ... + 114269.

It is an arithmetic number, because the mean of its divisors is an integer number (9543240).

Almost surely, 2^149964540 is an apocalyptic number.

149964540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149964540 is an abundant number, since it is smaller than the sum of its proper divisors (308110980).

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

149964540 is a wasteful number, since it uses less digits than its factorization.

149964540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227242 (or 227240 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 149964540 is about 12246.0009799118. Note that the first 3 decimals coincide. The cubic root of 149964540 is about 531.2874125440.

The spelling of 149964540 in words is "one hundred forty-nine million, nine hundred sixty-four thousand, five hundred forty".