149353740 has 48 divisors (see below), whose sum is σ = 464657760. Its totient is φ = 39827520.

The previous prime is 149353723. The next prime is 149353747. The reversal of 149353740 is 47353941.

149353740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149353695 and 149353704.

It is not an unprimeable number, because it can be changed into a prime (149353747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137751 + ... + 138830.

It is an arithmetic number, because the mean of its divisors is an integer number (9680370).

Almost surely, 2^149353740 is an apocalyptic number.

149353740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149353740 is an abundant number, since it is smaller than the sum of its proper divisors (315304020).

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

149353740 is a wasteful number, since it uses less digits than its factorization.

149353740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276599 (or 276591 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 149353740 is about 12221.0367808955. The cubic root of 149353740 is about 530.5651264087.

The spelling of 149353740 in words is "one hundred forty-nine million, three hundred fifty-three thousand, seven hundred forty".