149749495 has 8 divisors (see below), whose sum is σ = 205370784. Its totient is φ = 102685344.

The previous prime is 149749487. The next prime is 149749517. The reversal of 149749495 is 594947941.

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 149749495 - 2³ = 149749487 is a prime.

It is a super-2 number, since 2×149749495² = 44849822505510050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2139244 + ... + 2139313.

It is an arithmetic number, because the mean of its divisors is an integer number (25671348).

Almost surely, 2^149749495 is an apocalyptic number.

149749495 is a deficient number, since it is larger than the sum of its proper divisors (55621289).

149749495 is an equidigital number, since it uses as much as digits as its factorization.

149749495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278569.

The product of its digits is 1632960, while the sum is 52.

The square root of 149749495 is about 12237.2176167624. The cubic root of 149749495 is about 531.0333405792.

The spelling of 149749495 in words is "one hundred forty-nine million, seven hundred forty-nine thousand, four hundred ninety-five".