149888458 has 4 divisors (see below), whose sum is σ = 224832690. Its totient is φ = 74944228.

The previous prime is 149888437. The next prime is 149888461. The reversal of 149888458 is 854888941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137757169 + 12131289 = 11737^2 + 3483^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149888399 and 149888408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37472113 + ... + 37472116.

Almost surely, 2^149888458 is an apocalyptic number.

149888458 is a deficient number, since it is larger than the sum of its proper divisors (74944232).

149888458 is an equidigital number, since it uses as much as digits as its factorization.

149888458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74944231.

The product of its digits is 2949120, while the sum is 55.

The square root of 149888458 is about 12242.8941839746. The cubic root of 149888458 is about 531.1975507528.

The spelling of 149888458 in words is "one hundred forty-nine million, eight hundred eighty-eight thousand, four hundred fifty-eight".