145355201053 has 4 divisors (see below), whose sum is σ = 146416188060. Its totient is φ = 144294214048.

The previous prime is 145355201023. The next prime is 145355201081. The reversal of 145355201053 is 350102553541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54743364729 + 90611836324 = 233973^2 + 301018^2 .

It is a cyclic number.

It is not a de Polignac number, because 145355201053 - 2⁵ = 145355201021 is a prime.

It is a super-2 number, since 2×145355201053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145355201023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530493298 + ... + 530493571.

It is an arithmetic number, because the mean of its divisors is an integer number (36604047015).

Almost surely, 2^145355201053 is an apocalyptic number.

It is an amenable number.

145355201053 is a deficient number, since it is larger than the sum of its proper divisors (1060987007).

145355201053 is a wasteful number, since it uses less digits than its factorization.

145355201053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060987006.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 145355201053 its reverse (350102553541), we get a palindrome (495457754594).

The spelling of 145355201053 in words is "one hundred forty-five billion, three hundred fifty-five million, two hundred one thousand, fifty-three".