140451463 has 8 divisors (see below), whose sum is σ = 145794240. Its totient is φ = 135206880.

The previous prime is 140451461. The next prime is 140451469. The reversal of 140451463 is 364154041.

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 140451463 - 2¹ = 140451461 is a prime.

It is a super-2 number, since 2×140451463² = 39453226917680738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140451461) 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, 21628 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (18224280).

Almost surely, 2^140451463 is an apocalyptic number.

140451463 is a deficient number, since it is larger than the sum of its proper divisors (5342777).

140451463 is an equidigital number, since it uses as much as digits as its factorization.

140451463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49097.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140451463 is about 11851.2220045023. Note that the first 3 decimals coincide. The cubic root of 140451463 is about 519.8069586709.

The spelling of 140451463 in words is "one hundred forty million, four hundred fifty-one thousand, four hundred sixty-three".