149152747 has 8 divisors (see below), whose sum is σ = 160516512. Its totient is φ = 138076800.

The previous prime is 149152739. The next prime is 149152799. The reversal of 149152747 is 747251941.

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 149152747 - 2³ = 149152739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149156747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70879 + ... + 72952.

It is an arithmetic number, because the mean of its divisors is an integer number (20064564).

Almost surely, 2^149152747 is an apocalyptic number.

149152747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149152747 is a deficient number, since it is larger than the sum of its proper divisors (11363765).

149152747 is a wasteful number, since it uses less digits than its factorization.

149152747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143909.

The product of its digits is 70560, while the sum is 40.

The square root of 149152747 is about 12212.8107739373. The cubic root of 149152747 is about 530.3270166496.

The spelling of 149152747 in words is "one hundred forty-nine million, one hundred fifty-two thousand, seven hundred forty-seven".