149804898 has 64 divisors (see below), whose sum is σ = 318729600. Its totient is φ = 46886400.

The previous prime is 149804881. The next prime is 149804899. The reversal of 149804898 is 898408941.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149804898.

It is not an unprimeable number, because it can be changed into a prime (149804899) 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, 1005328 + ... + 1005476.

It is an arithmetic number, because the mean of its divisors is an integer number (4980150).

Almost surely, 2^149804898 is an apocalyptic number.

149804898 is an abundant number, since it is smaller than the sum of its proper divisors (168924702).

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

149804898 is a wasteful number, since it uses less digits than its factorization.

149804898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 149804898 is about 12239.4811164526. The cubic root of 149804898 is about 531.0988215182.

The spelling of 149804898 in words is "one hundred forty-nine million, eight hundred four thousand, eight hundred ninety-eight".