149628769 has 8 divisors (see below), whose sum is σ = 152018240. Its totient is φ = 147258000.

The previous prime is 149628767. The next prime is 149628793. The reversal of 149628769 is 967826941.

It is a happy number.

149628769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149628769 - 2¹ = 149628767 is a prime.

It is a super-2 number, since 2×149628769² = 44777537024910722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149628767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11914 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (19002280).

Almost surely, 2^149628769 is an apocalyptic number.

It is an amenable number.

149628769 is a deficient number, since it is larger than the sum of its proper divisors (2389471).

149628769 is a wasteful number, since it uses less digits than its factorization.

149628769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351.

The product of its digits is 1306368, while the sum is 52.

The square root of 149628769 is about 12232.2838832329. The cubic root of 149628769 is about 530.8905982684.

The spelling of 149628769 in words is "one hundred forty-nine million, six hundred twenty-eight thousand, seven hundred sixty-nine".