149953144 has 32 divisors (see below), whose sum is σ = 307440000. Its totient is φ = 68001120.

The previous prime is 149953129. The next prime is 149953183. The reversal of 149953144 is 441359941.

It is a junction number, because it is equal to n+sod(n) for n = 149953097 and 149953106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41107 + ... + 44605.

It is an arithmetic number, because the mean of its divisors is an integer number (9607500).

Almost surely, 2^149953144 is an apocalyptic number.

It is an amenable number.

149953144 is an abundant number, since it is smaller than the sum of its proper divisors (157486856).

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

149953144 is a wasteful number, since it uses less digits than its factorization.

149953144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 3999 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 149953144 is about 12245.5356763189. The cubic root of 149953144 is about 531.2739544631.

The spelling of 149953144 in words is "one hundred forty-nine million, nine hundred fifty-three thousand, one hundred forty-four".