149015814 has 8 divisors (see below), whose sum is σ = 298031640. Its totient is φ = 49671936.

The previous prime is 149015813. The next prime is 149015821. The reversal of 149015814 is 418510941.

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

149015814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149015813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12417979 + ... + 12417990.

It is an arithmetic number, because the mean of its divisors is an integer number (37253955).

Almost surely, 2^149015814 is an apocalyptic number.

149015814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149015814 is a wasteful number, since it uses less digits than its factorization.

149015814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24835974.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 149015814 is about 12207.2033652266. The cubic root of 149015814 is about 530.1646741172.

The spelling of 149015814 in words is "one hundred forty-nine million, fifteen thousand, eight hundred fourteen".