145412146442 has 8 divisors (see below), whose sum is σ = 218131823232. Its totient is φ = 72701538700.

The previous prime is 145412146433. The next prime is 145412146447. The reversal of 145412146442 is 244641214541.

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

It is a super-2 number, since 2×145412146442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145412146396 and 145412146405.

It is not an unprimeable number, because it can be changed into a prime (145412146447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227034 + ... + 2291397.

It is an arithmetic number, because the mean of its divisors is an integer number (27266477904).

Almost surely, 2^145412146442 is an apocalyptic number.

145412146442 is a deficient number, since it is larger than the sum of its proper divisors (72719676790).

145412146442 is a wasteful number, since it uses less digits than its factorization.

145412146442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534524.

The product of its digits is 122880, while the sum is 38.

The spelling of 145412146442 in words is "one hundred forty-five billion, four hundred twelve million, one hundred forty-six thousand, four hundred forty-two".