145420535055030 has 64 divisors (see below), whose sum is σ = 356391497611008. Its totient is φ = 37965665105280.

The previous prime is 145420535055007. The next prime is 145420535055031. The reversal of 145420535055030 is 30550535024541.

It is a super-2 number, since 2×145420535055030² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145420535055031) 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, 221600361 + ... + 222255620.

It is an arithmetic number, because the mean of its divisors is an integer number (5568617150172).

Almost surely, 2^{145420535055030} is an apocalyptic number.

145420535055030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145420535055030 is an abundant number, since it is smaller than the sum of its proper divisors (210970962555978).

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

145420535055030 is a wasteful number, since it uses less digits than its factorization.

145420535055030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443856221.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 145420535055030 in words is "one hundred forty-five trillion, four hundred twenty billion, five hundred thirty-five million, fifty-five thousand, thirty".