145612061438 has 8 divisors (see below), whose sum is σ = 221049635688. Its totient is φ = 71928849544.

The previous prime is 145612061389. The next prime is 145612061453. The reversal of 145612061438 is 834160216541.

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

It is a junction number, because it is equal to n+sod(n) for n = 145612061395 and 145612061404.

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, 438590381 + ... + 438590712.

It is an arithmetic number, because the mean of its divisors is an integer number (27631204461).

Almost surely, 2^145612061438 is an apocalyptic number.

145612061438 is a deficient number, since it is larger than the sum of its proper divisors (75437574250).

145612061438 is an equidigital number, since it uses as much as digits as its factorization.

145612061438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877181178.

The product of its (nonzero) digits is 138240, while the sum is 41.

Adding to 145612061438 its reverse (834160216541), we get a palindrome (979772277979).

The spelling of 145612061438 in words is "one hundred forty-five billion, six hundred twelve million, sixty-one thousand, four hundred thirty-eight".