150940645 has 4 divisors (see below), whose sum is σ = 181128780. Its totient is φ = 120752512.

The previous prime is 150940631. The next prime is 150940663. The reversal of 150940645 is 546049051.

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 20775364 + 130165281 = 4558^2 + 11409^2 .

It is a cyclic number.

It is not a de Polignac number, because 150940645 - 2⁹ = 150940133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150940645.

It is a congruent number.

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, 15094060 + ... + 15094069.

It is an arithmetic number, because the mean of its divisors is an integer number (45282195).

Almost surely, 2^150940645 is an apocalyptic number.

It is an amenable number.

150940645 is a deficient number, since it is larger than the sum of its proper divisors (30188135).

150940645 is an equidigital number, since it uses as much as digits as its factorization.

150940645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30188134.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 150940645 is about 12285.7903693657. The cubic root of 150940645 is about 532.4376204416.

Adding to 150940645 its reverse (546049051), we get a palindrome (696989696).

The spelling of 150940645 in words is "one hundred fifty million, nine hundred forty thousand, six hundred forty-five".