149751445 has 16 divisors (see below), whose sum is σ = 189679680. Its totient is φ = 113184000.

The previous prime is 149751439. The next prime is 149751451. The reversal of 149751445 is 544157941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149751439) and next prime (149751451).

It is not a de Polignac number, because 149751445 - 2⁹ = 149750933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149751398 and 149751407.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36130 + ... + 40060.

It is an arithmetic number, because the mean of its divisors is an integer number (11854980).

Almost surely, 2^149751445 is an apocalyptic number.

It is an amenable number.

149751445 is a deficient number, since it is larger than the sum of its proper divisors (39928235).

149751445 is a wasteful number, since it uses less digits than its factorization.

149751445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356.

The product of its digits is 100800, while the sum is 40.

The square root of 149751445 is about 12237.2972914774. The cubic root of 149751445 is about 531.0356455631.

The spelling of 149751445 in words is "one hundred forty-nine million, seven hundred fifty-one thousand, four hundred forty-five".