1454196638 has 16 divisors (see below), whose sum is σ = 2243985984. Its totient is φ = 706427520.

The previous prime is 1454196631. The next prime is 1454196647. The reversal of 1454196638 is 8366914541.

It is a super-2 number, since 2×1454196638² = 4229375723941006088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 1454196592 and 1454196601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454196631) 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, 43583 + ... + 69338.

It is an arithmetic number, because the mean of its divisors is an integer number (140249124).

Almost surely, 2^1454196638 is an apocalyptic number.

1454196638 is a deficient number, since it is larger than the sum of its proper divisors (789789346).

1454196638 is a wasteful number, since it uses less digits than its factorization.

1454196638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113107.

The product of its digits is 622080, while the sum is 47.

The square root of 1454196638 is about 38133.9302721343. The cubic root of 1454196638 is about 1132.9420912703.

The spelling of 1454196638 in words is "one billion, four hundred fifty-four million, one hundred ninety-six thousand, six hundred thirty-eight".