151397266 has 8 divisors (see below), whose sum is σ = 233233740. Its totient is φ = 73652688.

The previous prime is 151397251. The next prime is 151397321. The reversal of 151397266 is 662793151.

It can be written as a sum of positive squares in 2 ways, for example, as 145709041 + 5688225 = 12071^2 + 2385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×151397266² = 45842264304549512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022881 + ... + 1023028.

Almost surely, 2^151397266 is an apocalyptic number.

151397266 is a deficient number, since it is larger than the sum of its proper divisors (81836474).

151397266 is a wasteful number, since it uses less digits than its factorization.

151397266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045948.

The product of its digits is 68040, while the sum is 40.

The square root of 151397266 is about 12304.3596338859. The cubic root of 151397266 is about 532.9739845821.

The spelling of 151397266 in words is "one hundred fifty-one million, three hundred ninety-seven thousand, two hundred sixty-six".