151199947 has 2 divisors, whose sum is σ = 151199948. Its totient is φ = 151199946.

The previous prime is 151199899. The next prime is 151199957. The reversal of 151199947 is 749991151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151199947 - 2¹⁹ = 150675659 is a prime.

It is a super-2 number, since 2×151199947² = 45722847945605618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151199897 and 151199906.

It is not a weakly prime, because it can be changed into another prime (151199957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75599973 + 75599974.

It is an arithmetic number, because the mean of its divisors is an integer number (75599974).

Almost surely, 2^151199947 is an apocalyptic number.

151199947 is a deficient number, since it is larger than the sum of its proper divisors (1).

151199947 is an equidigital number, since it uses as much as digits as its factorization.

151199947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 46.

The square root of 151199947 is about 12296.3387640387. The cubic root of 151199947 is about 532.7423387983.

The spelling of 151199947 in words is "one hundred fifty-one million, one hundred ninety-nine thousand, nine hundred forty-seven".