149485755 has 8 divisors (see below), whose sum is σ = 239177232. Its totient is φ = 79725728.

The previous prime is 149485747. The next prime is 149485771. The reversal of 149485755 is 557584941.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 149485755 - 2³ = 149485747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4982844 + ... + 4982873.

It is an arithmetic number, because the mean of its divisors is an integer number (29897154).

Almost surely, 2^149485755 is an apocalyptic number.

149485755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149485755 is a deficient number, since it is larger than the sum of its proper divisors (89691477).

149485755 is an equidigital number, since it uses as much as digits as its factorization.

149485755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965725.

The product of its digits is 1008000, while the sum is 48.

The square root of 149485755 is about 12226.4367253914. The cubic root of 149485755 is about 530.7214040000.

The spelling of 149485755 in words is "one hundred forty-nine million, four hundred eighty-five thousand, seven hundred fifty-five".