149419240 has 16 divisors (see below), whose sum is σ = 336193380. Its totient is φ = 59767680.

The previous prime is 149419229. The next prime is 149419261. The reversal of 149419240 is 42914941.

It can be written as a sum of positive squares in 2 ways, for example, as 135536164 + 13883076 = 11642^2 + 3726^2 .

It is a super-2 number, since 2×149419240² = 44652218564355200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149419196 and 149419205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867701 + ... + 1867780.

Almost surely, 2^149419240 is an apocalyptic number.

149419240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149419240 is an abundant number, since it is smaller than the sum of its proper divisors (186774140).

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

149419240 is a wasteful number, since it uses less digits than its factorization.

149419240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735492 (or 3735488 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 149419240 is about 12223.7162925192. The cubic root of 149419240 is about 530.6426759382.

The spelling of 149419240 in words is "one hundred forty-nine million, four hundred nineteen thousand, two hundred forty".