1431772245 has 48 divisors (see below), whose sum is σ = 2526189120. Its totient is φ = 750004992.

The previous prime is 1431772213. The next prime is 1431772259. The reversal of 1431772245 is 5422771341.

It is not a de Polignac number, because 1431772245 - 2⁵ = 1431772213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1769401 + ... + 1770209.

It is an arithmetic number, because the mean of its divisors is an integer number (52628940).

Almost surely, 2^1431772245 is an apocalyptic number.

1431772245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431772245 is a deficient number, since it is larger than the sum of its proper divisors (1094416875).

1431772245 is a wasteful number, since it uses less digits than its factorization.

1431772245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1471 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1431772245 is about 37838.7664307387. The cubic root of 1431772245 is about 1127.0883993092.

The spelling of 1431772245 in words is "one billion, four hundred thirty-one million, seven hundred seventy-two thousand, two hundred forty-five".