149798254 has 8 divisors (see below), whose sum is σ = 237914928. Its totient is φ = 70493280.

The previous prime is 149798239. The next prime is 149798267. The reversal of 149798254 is 452897941.

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

It is a super-3 number, since 3×149798254³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149798198 and 149798207.

It is a congruent number.

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, 2202882 + ... + 2202949.

It is an arithmetic number, because the mean of its divisors is an integer number (29739366).

Almost surely, 2^149798254 is an apocalyptic number.

149798254 is a deficient number, since it is larger than the sum of its proper divisors (88116674).

149798254 is a wasteful number, since it uses less digits than its factorization.

149798254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405850.

The product of its digits is 725760, while the sum is 49.

The square root of 149798254 is about 12239.2096967084. The cubic root of 149798254 is about 531.0909698107.

The spelling of 149798254 in words is "one hundred forty-nine million, seven hundred ninety-eight thousand, two hundred fifty-four".