151423949 has 2 divisors, whose sum is σ = 151423950. Its totient is φ = 151423948.

The previous prime is 151423907. The next prime is 151423963. The reversal of 151423949 is 949324151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131905225 + 19518724 = 11485^2 + 4418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151423949 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 (151423549) 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, 75711974 + 75711975.

It is an arithmetic number, because the mean of its divisors is an integer number (75711975).

Almost surely, 2^151423949 is an apocalyptic number.

It is an amenable number.

151423949 is a deficient number, since it is larger than the sum of its proper divisors (1).

151423949 is an equidigital number, since it uses as much as digits as its factorization.

151423949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 151423949 is about 12305.4438765938. The cubic root of 151423949 is about 533.0052940630.

It can be divided in two parts, 15142 and 3949, that added together give a palindrome (19091).

The spelling of 151423949 in words is "one hundred fifty-one million, four hundred twenty-three thousand, nine hundred forty-nine".