149099546 has 8 divisors (see below), whose sum is σ = 223702464. Its totient is φ = 74532060.

The previous prime is 149099543. The next prime is 149099551. The reversal of 149099546 is 645990941.

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

It is a super-2 number, since 2×149099546² = 44461349234812232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149099546.

It is not an unprimeable number, because it can be changed into a prime (149099543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351 + ... + 19181.

It is an arithmetic number, because the mean of its divisors is an integer number (27962808).

Almost surely, 2^149099546 is an apocalyptic number.

149099546 is a deficient number, since it is larger than the sum of its proper divisors (74602918).

149099546 is a wasteful number, since it uses less digits than its factorization.

149099546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 149099546 is about 12210.6324979503. The cubic root of 149099546 is about 530.2639553844.

The spelling of 149099546 in words is "one hundred forty-nine million, ninety-nine thousand, five hundred forty-six".