1451490231 has 8 divisors (see below), whose sum is σ = 1957065840. Its totient is φ = 956787392.

The previous prime is 1451490217. The next prime is 1451490247. The reversal of 1451490231 is 1320941541.

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 1451490231 - 2¹¹ = 1451488183 is a prime.

It is a super-2 number, since 2×1451490231² = 4213647781376866722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451490431) 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, 2717880 + ... + 2718413.

It is an arithmetic number, because the mean of its divisors is an integer number (244633230).

Almost surely, 2^1451490231 is an apocalyptic number.

1451490231 is a deficient number, since it is larger than the sum of its proper divisors (505575609).

1451490231 is an equidigital number, since it uses as much as digits as its factorization.

1451490231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436385.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1451490231 is about 38098.4281959243. The cubic root of 1451490231 is about 1132.2388148663.

The spelling of 1451490231 in words is "one billion, four hundred fifty-one million, four hundred ninety thousand, two hundred thirty-one".