1148157307 has 8 divisors (see below), whose sum is σ = 1252783872. Its totient is φ = 1043572200.

The previous prime is 1148157247. The next prime is 1148157331. The reversal of 1148157307 is 7037518411.

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

It is not a de Polignac number, because 1148157307 - 2¹⁵ = 1148124539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148157107) 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, 89082 + ... + 101152.

It is an arithmetic number, because the mean of its divisors is an integer number (156597984).

Almost surely, 2^1148157307 is an apocalyptic number.

1148157307 is a deficient number, since it is larger than the sum of its proper divisors (104626565).

1148157307 is a wasteful number, since it uses less digits than its factorization.

1148157307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20729.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 1148157307 is about 33884.4699973306. The cubic root of 1148157307 is about 1047.1296684560.

The spelling of 1148157307 in words is "one billion, one hundred forty-eight million, one hundred fifty-seven thousand, three hundred seven".