148991674 has 16 divisors (see below), whose sum is σ = 247185288. Its totient is φ = 66906432.

The previous prime is 148991659. The next prime is 148991681. The reversal of 148991674 is 476199841.

It can be written as a sum of positive squares in 4 ways, for example, as 140541025 + 8450649 = 11855^2 + 2907^2 .

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, 76477 + ... + 78400.

Almost surely, 2^148991674 is an apocalyptic number.

148991674 is a deficient number, since it is larger than the sum of its proper divisors (98193614).

148991674 is a wasteful number, since it uses less digits than its factorization.

148991674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154929.

The product of its digits is 435456, while the sum is 49.

The square root of 148991674 is about 12206.2145647207. The cubic root of 148991674 is about 530.1360443452.

The spelling of 148991674 in words is "one hundred forty-eight million, nine hundred ninety-one thousand, six hundred seventy-four".