145300134506 has 4 divisors (see below), whose sum is σ = 217950201762. Its totient is φ = 72650067252.

The previous prime is 145300134487. The next prime is 145300134517. The reversal of 145300134506 is 605431003541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85590768481 + 59709366025 = 292559^2 + 244355^2 .

It is a super-2 number, since 2×145300134506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325033625 + ... + 36325033628.

Almost surely, 2^145300134506 is an apocalyptic number.

145300134506 is a deficient number, since it is larger than the sum of its proper divisors (72650067256).

145300134506 is an equidigital number, since it uses as much as digits as its factorization.

145300134506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72650067255.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 145300134506 in words is "one hundred forty-five billion, three hundred million, one hundred thirty-four thousand, five hundred six".