149343555 has 32 divisors (see below), whose sum is σ = 257179968. Its totient is φ = 73728000.

The previous prime is 149343547. The next prime is 149343569. The reversal of 149343555 is 555343941.

149343555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149343555 - 2³ = 149343547 is a prime.

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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10755 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (8036874).

Almost surely, 2^149343555 is an apocalyptic number.

149343555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149343555 is a deficient number, since it is larger than the sum of its proper divisors (107836413).

149343555 is a wasteful number, since it uses less digits than its factorization.

149343555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687.

The product of its digits is 162000, while the sum is 39.

The square root of 149343555 is about 12220.6200742843. The cubic root of 149343555 is about 530.5530657161.

The spelling of 149343555 in words is "one hundred forty-nine million, three hundred forty-three thousand, five hundred fifty-five".