149000474 has 24 divisors (see below), whose sum is σ = 260417268. Its totient is φ = 63752640.

The previous prime is 149000473. The next prime is 149000479. The reversal of 149000474 is 474000941.

It can be written as a sum of positive squares in 2 ways, for example, as 139122025 + 9878449 = 11795^2 + 3143^2 .

It is a super-2 number, since 2×149000474² = 44402282504449352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149000473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103262 + ... + 104694.

Almost surely, 2^149000474 is an apocalyptic number.

149000474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149000474 is a deficient number, since it is larger than the sum of its proper divisors (111416794).

149000474 is a wasteful number, since it uses less digits than its factorization.

149000474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 149000474 is about 12206.5750315148. The cubic root of 149000474 is about 530.1464814057.

The spelling of 149000474 in words is "one hundred forty-nine million, four hundred seventy-four", and thus it is an aban number.