151005949 has 2 divisors, whose sum is σ = 151005950. Its totient is φ = 151005948.

The previous prime is 151005923. The next prime is 151005961. The reversal of 151005949 is 949500151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 6285049 = 12030^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 151005949 - 2⁷ = 151005821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151005989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75502974 + 75502975.

It is an arithmetic number, because the mean of its divisors is an integer number (75502975).

Almost surely, 2^151005949 is an apocalyptic number.

It is an amenable number.

151005949 is a deficient number, since it is larger than the sum of its proper divisors (1).

151005949 is an equidigital number, since it uses as much as digits as its factorization.

151005949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 151005949 is about 12288.4477864375. The cubic root of 151005949 is about 532.5143951967.

The spelling of 151005949 in words is "one hundred fifty-one million, five thousand, nine hundred forty-nine".