145241421042 has 64 divisors (see below), whose sum is σ = 306980352000. Its totient is φ = 45684762048.

The previous prime is 145241420963. The next prime is 145241421049. The reversal of 145241421042 is 240124142541.

It is not an unprimeable number, because it can be changed into a prime (145241421049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33471309 + ... + 33475647.

It is an arithmetic number, because the mean of its divisors is an integer number (4796568000).

Almost surely, 2^145241421042 is an apocalyptic number.

145241421042 is an abundant number, since it is smaller than the sum of its proper divisors (161738930958).

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

145241421042 is a wasteful number, since it uses less digits than its factorization.

145241421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455.

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

Adding to 145241421042 its reverse (240124142541), we get a palindrome (385365563583).

The spelling of 145241421042 in words is "one hundred forty-five billion, two hundred forty-one million, four hundred twenty-one thousand, forty-two".