149877830 has 16 divisors (see below), whose sum is σ = 275520960. Its totient is φ = 58675392.

The previous prime is 149877803. The next prime is 149877841. The reversal of 149877830 is 38778941.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158975 + ... + 159914.

It is an arithmetic number, because the mean of its divisors is an integer number (17220060).

Almost surely, 2^149877830 is an apocalyptic number.

149877830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149877830 is a deficient number, since it is larger than the sum of its proper divisors (125643130).

149877830 is a wasteful number, since it uses less digits than its factorization.

149877830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318943.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 149877830 is about 12242.4601285853. The cubic root of 149877830 is about 531.1849954142.

The spelling of 149877830 in words is "one hundred forty-nine million, eight hundred seventy-seven thousand, eight hundred thirty".