149289467 has 4 divisors (see below), whose sum is σ = 151517736. Its totient is φ = 147061200.

The previous prime is 149289433. The next prime is 149289473. The reversal of 149289467 is 764982941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149289467 - 2¹² = 149285371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149289367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114034 + ... + 1114167.

It is an arithmetic number, because the mean of its divisors is an integer number (37879434).

Almost surely, 2^149289467 is an apocalyptic number.

149289467 is a deficient number, since it is larger than the sum of its proper divisors (2228269).

149289467 is an equidigital number, since it uses as much as digits as its factorization.

149289467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228268.

The product of its digits is 870912, while the sum is 50.

The square root of 149289467 is about 12218.4068928809. The cubic root of 149289467 is about 530.4890075578.

The spelling of 149289467 in words is "one hundred forty-nine million, two hundred eighty-nine thousand, four hundred sixty-seven".