149363945 has 4 divisors (see below), whose sum is σ = 179236740. Its totient is φ = 119491152.

The previous prime is 149363923. The next prime is 149363953. The reversal of 149363945 is 549363941.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101767744 + 47596201 = 10088^2 + 6899^2 .

It is a cyclic number.

It is not a de Polignac number, because 149363945 - 2⁸ = 149363689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149363896 and 149363905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14936390 + ... + 14936399.

It is an arithmetic number, because the mean of its divisors is an integer number (44809185).

Almost surely, 2^149363945 is an apocalyptic number.

It is an amenable number.

149363945 is a deficient number, since it is larger than the sum of its proper divisors (29872795).

149363945 is an equidigital number, since it uses as much as digits as its factorization.

149363945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29872794.

The product of its digits is 349920, while the sum is 44.

The square root of 149363945 is about 12221.4542915318. The cubic root of 149363945 is about 530.5772102347.

It can be divided in two parts, 14936 and 3945, that added together give a palindrome (18881).

The spelling of 149363945 in words is "one hundred forty-nine million, three hundred sixty-three thousand, nine hundred forty-five".