149100554 has 8 divisors (see below), whose sum is σ = 227870820. Its totient is φ = 73143616.

The previous prime is 149100533. The next prime is 149100577. The reversal of 149100554 is 455001941.

It can be written as a sum of positive squares in 2 ways, for example, as 136305625 + 12794929 = 11675^2 + 3577^2 .

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, 703199 + ... + 703410.

Almost surely, 2^149100554 is an apocalyptic number.

149100554 is a deficient number, since it is larger than the sum of its proper divisors (78770266).

149100554 is a wasteful number, since it uses less digits than its factorization.

149100554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406664.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 149100554 is about 12210.6737733837. The cubic root of 149100554 is about 530.2651503464.

The spelling of 149100554 in words is "one hundred forty-nine million, one hundred thousand, five hundred fifty-four".