145025416420 has 48 divisors (see below), whose sum is σ = 309840734448. Its totient is φ = 57008793600.

The previous prime is 145025416397. The next prime is 145025416427. The reversal of 145025416420 is 24614520541.

It can be written as a sum of positive squares in 8 ways, for example, as 801682596 + 144223733824 = 28314^2 + 379768^2 .

It is not an unprimeable number, because it can be changed into a prime (145025416427) 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, 225120 + ... + 583720.

It is an arithmetic number, because the mean of its divisors is an integer number (6455015301).

Almost surely, 2^145025416420 is an apocalyptic number.

145025416420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145025416420 is an abundant number, since it is smaller than the sum of its proper divisors (164815318028).

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

145025416420 is a wasteful number, since it uses less digits than its factorization.

145025416420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358960 (or 358958 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 145025416420 its reverse (24614520541), we get a palindrome (169639936961).

The spelling of 145025416420 in words is "one hundred forty-five billion, twenty-five million, four hundred sixteen thousand, four hundred twenty".