151945249 has 2 divisors, whose sum is σ = 151945250. Its totient is φ = 151945248.

The previous prime is 151945217. The next prime is 151945267. The reversal of 151945249 is 942549151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93315600 + 58629649 = 9660^2 + 7657^2 .

It is a cyclic number.

It is not a de Polignac number, because 151945249 - 2⁵ = 151945217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151945279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75972624 + 75972625.

It is an arithmetic number, because the mean of its divisors is an integer number (75972625).

Almost surely, 2^151945249 is an apocalyptic number.

It is an amenable number.

151945249 is a deficient number, since it is larger than the sum of its proper divisors (1).

151945249 is an equidigital number, since it uses as much as digits as its factorization.

151945249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 40.

The square root of 151945249 is about 12326.6073596915. The cubic root of 151945249 is about 533.6162441287.

The spelling of 151945249 in words is "one hundred fifty-one million, nine hundred forty-five thousand, two hundred forty-nine".