145312305034450 has 12 divisors (see below), whose sum is σ = 270280887364170. Its totient is φ = 58124922013760.

The previous prime is 145312305034427. The next prime is 145312305034541. The reversal of 145312305034450 is 54430503213541.

It can be written as a sum of positive squares in 3 ways, for example, as 71464079971449 + 73848225063001 = 8453643^2 + 8593499^2 .

It is a super-2 number, since 2×145312305034450² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1453123050295 + ... + 1453123050394.

Almost surely, 2^{145312305034450} is an apocalyptic number.

145312305034450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145312305034450 is a deficient number, since it is larger than the sum of its proper divisors (124968582329720).

145312305034450 is a wasteful number, since it uses less digits than its factorization.

145312305034450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906246100701 (or 2906246100696 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 145312305034450 its reverse (54430503213541), we get a palindrome (199742808247991).

The spelling of 145312305034450 in words is "one hundred forty-five trillion, three hundred twelve billion, three hundred five million, thirty-four thousand, four hundred fifty".