144400862458 has 16 divisors (see below), whose sum is σ = 217587573504. Its totient is φ = 71872365600.

The previous prime is 144400862401. The next prime is 144400862461. The reversal of 144400862458 is 854268004441.

It is a super-2 number, since 2×144400862458² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243991 + ... + 590197.

It is an arithmetic number, because the mean of its divisors is an integer number (13599223344).

Almost surely, 2^144400862458 is an apocalyptic number.

144400862458 is a deficient number, since it is larger than the sum of its proper divisors (73186711046).

144400862458 is a wasteful number, since it uses less digits than its factorization.

144400862458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347157.

The product of its (nonzero) digits is 983040, while the sum is 46.

Adding to 144400862458 its reverse (854268004441), we get a palindrome (998668866899).

The spelling of 144400862458 in words is "one hundred forty-four billion, four hundred million, eight hundred sixty-two thousand, four hundred fifty-eight".