149073898 has 8 divisors (see below), whose sum is σ = 225700992. Its totient is φ = 73840236.

The previous prime is 149073877. The next prime is 149073907. The reversal of 149073898 is 898370941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 348090 + ... + 348517.

It is an arithmetic number, because the mean of its divisors is an integer number (28212624).

Almost surely, 2^149073898 is an apocalyptic number.

149073898 is a deficient number, since it is larger than the sum of its proper divisors (76627094).

149073898 is a wasteful number, since it uses less digits than its factorization.

149073898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696716.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 149073898 is about 12209.5822205348. The cubic root of 149073898 is about 530.2335484288.

The spelling of 149073898 in words is "one hundred forty-nine million, seventy-three thousand, eight hundred ninety-eight".