145420041254 has 8 divisors (see below), whose sum is σ = 218251183368. Its totient is φ = 72669646800.

The previous prime is 145420041211. The next prime is 145420041311. The reversal of 145420041254 is 452140024541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145420041254² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145420041254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20182412 + ... + 20189615.

It is an arithmetic number, because the mean of its divisors is an integer number (27281397921).

Almost surely, 2^145420041254 is an apocalyptic number.

145420041254 is a deficient number, since it is larger than the sum of its proper divisors (72831142114).

145420041254 is a wasteful number, since it uses less digits than its factorization.

145420041254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40373830.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 145420041254 its reverse (452140024541), we get a palindrome (597560065795).

The spelling of 145420041254 in words is "one hundred forty-five billion, four hundred twenty million, forty-one thousand, two hundred fifty-four".