1454551142 has 32 divisors (see below), whose sum is σ = 2505738240. Its totient is φ = 626792320.

The previous prime is 1454551123. The next prime is 1454551157. The reversal of 1454551142 is 2411554541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1454551099 and 1454551108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44459 + ... + 69897.

It is an arithmetic number, because the mean of its divisors is an integer number (78304320).

Almost surely, 2^1454551142 is an apocalyptic number.

1454551142 is a deficient number, since it is larger than the sum of its proper divisors (1051187098).

1454551142 is a wasteful number, since it uses less digits than its factorization.

1454551142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25588.

The product of its digits is 16000, while the sum is 32.

The square root of 1454551142 is about 38138.5781329089. The cubic root of 1454551142 is about 1133.0341466499.

The spelling of 1454551142 in words is "one billion, four hundred fifty-four million, five hundred fifty-one thousand, one hundred forty-two".