149304810 has 64 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 38524992.

The previous prime is 149304809. The next prime is 149304811. The reversal of 149304810 is 18403941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149304809) and next prime (149304811).

It is a super-2 number, since 2×149304810² = 44583852578272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (149304811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117961 + ... + 119219.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^149304810 is an apocalyptic number.

149304810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149304810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185068800).

149304810 is an abundant number, since it is smaller than the sum of its proper divisors (220832790).

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

149304810 is a wasteful number, since it uses less digits than its factorization.

149304810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 149304810 is about 12219.0347409278. The cubic root of 149304810 is about 530.5071803380.

The spelling of 149304810 in words is "one hundred forty-nine million, three hundred four thousand, eight hundred ten".