151055501 has 2 divisors, whose sum is σ = 151055502. Its totient is φ = 151055500.

The previous prime is 151055479. The next prime is 151055507. The reversal of 151055501 is 105550151.

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., 143760100 + 7295401 = 11990^2 + 2701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151055501 is a prime.

It is a super-2 number, since 2×151055501² = 45635528764722002, 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 (151055507) 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, 75527750 + 75527751.

It is an arithmetic number, because the mean of its divisors is an integer number (75527751).

Almost surely, 2^151055501 is an apocalyptic number.

It is an amenable number.

151055501 is a deficient number, since it is larger than the sum of its proper divisors (1).

151055501 is an equidigital number, since it uses as much as digits as its factorization.

151055501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 151055501 is about 12290.4638236317. The cubic root of 151055501 is about 532.5726363184.

The spelling of 151055501 in words is "one hundred fifty-one million, fifty-five thousand, five hundred one".