1479157143 has 8 divisors (see below), whose sum is σ = 1972780656. Its totient is φ = 985819200.

The previous prime is 1479157133. The next prime is 1479157153. The reversal of 1479157143 is 3417519741.

It is an interprime number because it is at equal distance from previous prime (1479157133) and next prime (1479157153).

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

It is a de Polignac number, because none of the positive numbers 2^k-1479157143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1479157095 and 1479157104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479157133) 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, 58998 + ... + 80243.

It is an arithmetic number, because the mean of its divisors is an integer number (246597582).

Almost surely, 2^1479157143 is an apocalyptic number.

1479157143 is a deficient number, since it is larger than the sum of its proper divisors (493623513).

1479157143 is a wasteful number, since it uses less digits than its factorization.

1479157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142785.

The product of its digits is 105840, while the sum is 42.

The square root of 1479157143 is about 38459.8120510228. The cubic root of 1479157143 is about 1139.3874679545.

The spelling of 1479157143 in words is "one billion, four hundred seventy-nine million, one hundred fifty-seven thousand, one hundred forty-three".