145142103303030 has 64 divisors (see below), whose sum is σ = 351960501155328. Its totient is φ = 38302906894080.

The previous prime is 145142103302969. The next prime is 145142103303037. The reversal of 145142103303030 is 30303301241541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145142103303037) 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, 11281764 + ... + 20434343.

It is an arithmetic number, because the mean of its divisors is an integer number (5499382830552).

Almost surely, 2^{145142103303030} is an apocalyptic number.

145142103303030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145142103303030 is an abundant number, since it is smaller than the sum of its proper divisors (206818397852298).

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

145142103303030 is a wasteful number, since it uses less digits than its factorization.

145142103303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31717701.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 145142103303030 its reverse (30303301241541), we get a palindrome (175445404544571).

The spelling of 145142103303030 in words is "one hundred forty-five trillion, one hundred forty-two billion, one hundred three million, three hundred three thousand, thirty".