145504402355 has 24 divisors (see below), whose sum is σ = 194179657392. Its totient is φ = 104545344384.

The previous prime is 145504402339. The next prime is 145504402357. The reversal of 145504402355 is 553204405541.

It is not a de Polignac number, because 145504402355 - 2⁴ = 145504402339 is a prime.

It is a super-2 number, since 2×145504402355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145504402357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2295689 + ... + 2358218.

It is an arithmetic number, because the mean of its divisors is an integer number (8090819058).

Almost surely, 2^145504402355 is an apocalyptic number.

145504402355 is a deficient number, since it is larger than the sum of its proper divisors (48675255037).

145504402355 is a wasteful number, since it uses less digits than its factorization.

145504402355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653975 (or 4653962 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 145504402355 its reverse (553204405541), we get a palindrome (698708807896).

The spelling of 145504402355 in words is "one hundred forty-five billion, five hundred four million, four hundred two thousand, three hundred fifty-five".