150513749 has 2 divisors, whose sum is σ = 150513750. Its totient is φ = 150513748.

The previous prime is 150513719. The next prime is 150513757. The reversal of 150513749 is 947315051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 63091249 = 9350^2 + 7943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150513749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150513719) by changing a digit.

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 as a sum of consecutive naturals, namely, 75256874 + 75256875.

It is an arithmetic number, because the mean of its divisors is an integer number (75256875).

Almost surely, 2^150513749 is an apocalyptic number.

It is an amenable number.

150513749 is a deficient number, since it is larger than the sum of its proper divisors (1).

150513749 is an equidigital number, since it uses as much as digits as its factorization.

150513749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 150513749 is about 12268.4045009936. The cubic root of 150513749 is about 531.9351931252.

The spelling of 150513749 in words is "one hundred fifty million, five hundred thirteen thousand, seven hundred forty-nine".