145423245156 has 96 divisors (see below), whose sum is σ = 392451978240. Its totient is φ = 41053544064.

The previous prime is 145423245103. The next prime is 145423245173. The reversal of 145423245156 is 651542324541.

It is a super-2 number, since 2×145423245156² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329851 + ... + 2391453.

It is an arithmetic number, because the mean of its divisors is an integer number (4088041440).

Almost surely, 2^145423245156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145423245156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196225989120).

145423245156 is an abundant number, since it is smaller than the sum of its proper divisors (247028733084).

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

145423245156 is a wasteful number, since it uses less digits than its factorization.

145423245156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61953 (or 61951 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

Adding to 145423245156 its reverse (651542324541), we get a palindrome (796965569697).

The spelling of 145423245156 in words is "one hundred forty-five billion, four hundred twenty-three million, two hundred forty-five thousand, one hundred fifty-six".