149989254 has 16 divisors (see below), whose sum is σ = 300138048. Its totient is φ = 49969832.

The previous prime is 149989243. The next prime is 149989277. The reversal of 149989254 is 452989941.

It is a junction number, because it is equal to n+sod(n) for n = 149989197 and 149989206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8089 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (18758628).

Almost surely, 2^149989254 is an apocalyptic number.

149989254 is an abundant number, since it is smaller than the sum of its proper divisors (150148794).

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

149989254 is a wasteful number, since it uses less digits than its factorization.

149989254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299.

The product of its digits is 933120, while the sum is 51.

The square root of 149989254 is about 12247.0100024455. The cubic root of 149989254 is about 531.3165961450.

The spelling of 149989254 in words is "one hundred forty-nine million, nine hundred eighty-nine thousand, two hundred fifty-four".