151397449 has 8 divisors (see below), whose sum is σ = 173107328. Its totient is φ = 129708000.

The previous prime is 151397447. The next prime is 151397473. The reversal of 151397449 is 944793151.

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

It is a cyclic number.

It is not a de Polignac number, because 151397449 - 2¹ = 151397447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151397443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17404 + ... + 24610.

It is an arithmetic number, because the mean of its divisors is an integer number (21638416).

Almost surely, 2^151397449 is an apocalyptic number.

It is an amenable number.

151397449 is a deficient number, since it is larger than the sum of its proper divisors (21709879).

151397449 is an equidigital number, since it uses as much as digits as its factorization.

151397449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its digits is 136080, while the sum is 43.

The square root of 151397449 is about 12304.3670702722. The cubic root of 151397449 is about 532.9741993244.

The spelling of 151397449 in words is "one hundred fifty-one million, three hundred ninety-seven thousand, four hundred forty-nine".