150820745 has 4 divisors (see below), whose sum is σ = 180984900. Its totient is φ = 120656592.

The previous prime is 150820739. The next prime is 150820757. The reversal of 150820745 is 547028051.

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 79637776 + 71182969 = 8924^2 + 8437^2 .

It is a cyclic number.

It is not a de Polignac number, because 150820745 - 2¹⁴ = 150804361 is a prime.

It is a Curzon 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, 15082070 + ... + 15082079.

It is an arithmetic number, because the mean of its divisors is an integer number (45246225).

Almost surely, 2^150820745 is an apocalyptic number.

It is an amenable number.

150820745 is a deficient number, since it is larger than the sum of its proper divisors (30164155).

150820745 is an equidigital number, since it uses as much as digits as its factorization.

150820745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30164154.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 150820745 is about 12280.9097790025. The cubic root of 150820745 is about 532.2966021365.

Adding to 150820745 its reverse (547028051), we get a palindrome (697848796).

The spelling of 150820745 in words is "one hundred fifty million, eight hundred twenty thousand, seven hundred forty-five".