307497145 has 8 divisors (see below), whose sum is σ = 369377856. Its totient is φ = 245743536.

The previous prime is 307497133. The next prime is 307497167. The reversal of 307497145 is 541794703.

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 307497145 - 2¹³ = 307488953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 307497098 and 307497107.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 26367 + ... + 36196.

It is an arithmetic number, because the mean of its divisors is an integer number (46172232).

Almost surely, 2^307497145 is an apocalyptic number.

It is an amenable number.

307497145 is a deficient number, since it is larger than the sum of its proper divisors (61880711).

307497145 is an equidigital number, since it uses as much as digits as its factorization.

307497145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63551.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 307497145 is about 17535.5965110971. The cubic root of 307497145 is about 674.9636157800.

The spelling of 307497145 in words is "three hundred seven million, four hundred ninety-seven thousand, one hundred forty-five".