151091263 has 6 divisors (see below), whose sum is σ = 151673816. Its totient is φ = 150510312.

The previous prime is 151091261. The next prime is 151091299. The reversal of 151091263 is 362190151.

It is not a de Polignac number, because 151091263 - 2¹ = 151091261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151091261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270981 + ... + 271537.

Almost surely, 2^151091263 is an apocalyptic number.

151091263 is a deficient number, since it is larger than the sum of its proper divisors (582553).

151091263 is an frugal number, since it uses more digits than its factorization.

151091263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 151091263 is about 12291.9186053276. The cubic root of 151091263 is about 532.6146614011.

The spelling of 151091263 in words is "one hundred fifty-one million, ninety-one thousand, two hundred sixty-three".