145214212242 has 32 divisors (see below), whose sum is σ = 317266919424. Its totient is φ = 43943763600.

The previous prime is 145214212219. The next prime is 145214212249. The reversal of 145214212242 is 242212412541.

It is not an unprimeable number, because it can be changed into a prime (145214212249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465234 + ... + 1561197.

It is an arithmetic number, because the mean of its divisors is an integer number (9914591232).

Almost surely, 2^145214212242 is an apocalyptic number.

145214212242 is an abundant number, since it is smaller than the sum of its proper divisors (172052707182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145214212242 is a wasteful number, since it uses less digits than its factorization.

145214212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027174.

The product of its digits is 10240, while the sum is 30.

Adding to 145214212242 its reverse (242212412541), we get a palindrome (387426624783).

The spelling of 145214212242 in words is "one hundred forty-five billion, two hundred fourteen million, two hundred twelve thousand, two hundred forty-two".