149111754 has 32 divisors (see below), whose sum is σ = 328570560. Its totient is φ = 44736000.

The previous prime is 149111731. The next prime is 149111797. The reversal of 149111754 is 457111941.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 4519 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (10267830).

Almost surely, 2^149111754 is an apocalyptic number.

149111754 is an abundant number, since it is smaller than the sum of its proper divisors (179458806).

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

149111754 is a wasteful number, since it uses less digits than its factorization.

149111754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486.

The product of its digits is 5040, while the sum is 33.

The square root of 149111754 is about 12211.1323799228. The cubic root of 149111754 is about 530.2784273392.

The spelling of 149111754 in words is "one hundred forty-nine million, one hundred eleven thousand, seven hundred fifty-four".