151078493 has 2 divisors, whose sum is σ = 151078494. Its totient is φ = 151078492.

The previous prime is 151078489. The next prime is 151078547. The reversal of 151078493 is 394870151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140825689 + 10252804 = 11867^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 151078493 - 2² = 151078489 is a prime.

It is a super-2 number, since 2×151078493² = 45649422094302098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151078453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75539246 + 75539247.

It is an arithmetic number, because the mean of its divisors is an integer number (75539247).

Almost surely, 2^151078493 is an apocalyptic number.

It is an amenable number.

151078493 is a deficient number, since it is larger than the sum of its proper divisors (1).

151078493 is an equidigital number, since it uses as much as digits as its factorization.

151078493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 151078493 is about 12291.3991473713. The cubic root of 151078493 is about 532.5996557224.

The spelling of 151078493 in words is "one hundred fifty-one million, seventy-eight thousand, four hundred ninety-three".