149030040 has 64 divisors (see below), whose sum is σ = 449141760. Its totient is φ = 39559040.

The previous prime is 149030027. The next prime is 149030071. The reversal of 149030040 is 40030941.

It is a junction number, because it is equal to n+sod(n) for n = 149029989 and 149030016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24505 + ... + 29975.

It is an arithmetic number, because the mean of its divisors is an integer number (7017840).

Almost surely, 2^149030040 is an apocalyptic number.

149030040 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 149030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224570880).

149030040 is an abundant number, since it is smaller than the sum of its proper divisors (300111720).

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

149030040 is a wasteful number, since it uses less digits than its factorization.

149030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 149030040 is about 12207.7860400648. The cubic root of 149030040 is about 530.1815445474.

Adding to 149030040 its reverse (40030941), we get a palindrome (189060981).

The spelling of 149030040 in words is "one hundred forty-nine million, thirty thousand, forty".