149456787 has 8 divisors (see below), whose sum is σ = 199377360. Its totient is φ = 99587040.

The previous prime is 149456779. The next prime is 149456821. The reversal of 149456787 is 787654941.

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

It is not a de Polignac number, because 149456787 - 2³ = 149456779 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (149456687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (24922170).

Almost surely, 2^149456787 is an apocalyptic number.

149456787 is a deficient number, since it is larger than the sum of its proper divisors (49920573).

149456787 is a wasteful number, since it uses less digits than its factorization.

149456787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25413.

The product of its digits is 1693440, while the sum is 51.

The square root of 149456787 is about 12225.2520219421. The cubic root of 149456787 is about 530.6871199511.

The spelling of 149456787 in words is "one hundred forty-nine million, four hundred fifty-six thousand, seven hundred eighty-seven".