149451046 has 8 divisors (see below), whose sum is σ = 237363480. Its totient is φ = 70329888.

The previous prime is 149451041. The next prime is 149451059. The reversal of 149451046 is 640154941.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 4395619 = 149451046 / (1 + 4 + 9 + 4 + 5 + 1 + 0 + 4 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149451041) 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, 2197776 + ... + 2197843.

It is an arithmetic number, because the mean of its divisors is an integer number (29670435).

Almost surely, 2^149451046 is an apocalyptic number.

149451046 is a deficient number, since it is larger than the sum of its proper divisors (87912434).

149451046 is a wasteful number, since it uses less digits than its factorization.

149451046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395638.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 149451046 is about 12225.0172188018. The cubic root of 149451046 is about 530.6803248682.

The spelling of 149451046 in words is "one hundred forty-nine million, four hundred fifty-one thousand, forty-six".