149719040 has 48 divisors (see below), whose sum is σ = 359262540. Its totient is φ = 59883520.

The previous prime is 149719033. The next prime is 149719061. The reversal of 149719040 is 40917941.

It can be written as a sum of positive squares in 2 ways, for example, as 120472576 + 29246464 = 10976^2 + 5408^2 .

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, 2930 + ... + 17550.

Almost surely, 2^149719040 is an apocalyptic number.

149719040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149719040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179631270).

149719040 is an abundant number, since it is smaller than the sum of its proper divisors (209543500).

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

149719040 is an equidigital number, since it uses as much as digits as its factorization.

149719040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648 (or 14628 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 149719040 is about 12235.9731938248. The cubic root of 149719040 is about 530.9973388621.

The spelling of 149719040 in words is "one hundred forty-nine million, seven hundred nineteen thousand, forty".