149114993 has 2 divisors, whose sum is σ = 149114994. Its totient is φ = 149114992.

The previous prime is 149114969. The next prime is 149115011. The reversal of 149114993 is 399411941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130599184 + 18515809 = 11428^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 149114993 - 2²⁰ = 148066417 is a prime.

It is a super-2 number, since 2×149114993² = 44470562274780098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149114993.

It is not a weakly prime, because it can be changed into another prime (149114963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74557496 + 74557497.

It is an arithmetic number, because the mean of its divisors is an integer number (74557497).

Almost surely, 2^149114993 is an apocalyptic number.

It is an amenable number.

149114993 is a deficient number, since it is larger than the sum of its proper divisors (1).

149114993 is an equidigital number, since it uses as much as digits as its factorization.

149114993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 41.

The square root of 149114993 is about 12211.2650040854. The cubic root of 149114993 is about 530.2822668742.

The spelling of 149114993 in words is "one hundred forty-nine million, one hundred fourteen thousand, nine hundred ninety-three".