149250469 has 8 divisors (see below), whose sum is σ = 152724600. Its totient is φ = 145809600.

The previous prime is 149250467. The next prime is 149250503. The reversal of 149250469 is 964052941.

It can be written as a sum of positive squares in 4 ways, for example, as 30658369 + 118592100 = 5537^2 + 10890^2 .

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 149250469 - 2¹ = 149250467 is a prime.

It is a super-2 number, since 2×149250469² = 44551404993439922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149250467) 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, 879 + ... + 17299.

It is an arithmetic number, because the mean of its divisors is an integer number (19090575).

Almost surely, 2^149250469 is an apocalyptic number.

It is an amenable number.

149250469 is a deficient number, since it is larger than the sum of its proper divisors (3474131).

149250469 is a wasteful number, since it uses less digits than its factorization.

149250469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 149250469 is about 12216.8109177477. The cubic root of 149250469 is about 530.4428113717.

It can be divided in two parts, 1492504 and 69, that multiplied together give a triangular number (102982776 = T₁₄₃₅₁).

The spelling of 149250469 in words is "one hundred forty-nine million, two hundred fifty thousand, four hundred sixty-nine".