149448040 has 48 divisors (see below), whose sum is σ = 391162500. Its totient is φ = 51238656.

The previous prime is 149448031. The next prime is 149448041. The reversal of 149448040 is 40844941.

It can be written as a sum of positive squares in 2 ways, for example, as 149377284 + 70756 = 12222^2 + 266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149447987 and 149448005.

It is not an unprimeable number, because it can be changed into a prime (149448041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36165 + ... + 40084.

Almost surely, 2^149448040 is an apocalyptic number.

149448040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149448040 is an abundant number, since it is smaller than the sum of its proper divisors (241714460).

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

149448040 is a wasteful number, since it uses less digits than its factorization.

149448040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76274 (or 76263 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 149448040 is about 12224.8942735714. The cubic root of 149448040 is about 530.6767668787.

The spelling of 149448040 in words is "one hundred forty-nine million, four hundred forty-eight thousand, forty".