149018355 has 12 divisors (see below), whose sum is σ = 258298560. Its totient is φ = 79476432.

The previous prime is 149018291. The next prime is 149018377. The reversal of 149018355 is 553810941.

It is not a de Polignac number, because 149018355 - 2⁶ = 149018291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1655715 + ... + 1655804.

It is an arithmetic number, because the mean of its divisors is an integer number (21524880).

Almost surely, 2^149018355 is an apocalyptic number.

149018355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149018355 is a deficient number, since it is larger than the sum of its proper divisors (109280205).

149018355 is a wasteful number, since it uses less digits than its factorization.

149018355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311530 (or 3311527 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 149018355 is about 12207.3074426755. The cubic root of 149018355 is about 530.1676875352.

The spelling of 149018355 in words is "one hundred forty-nine million, eighteen thousand, three hundred fifty-five".