145315102 has 4 divisors (see below), whose sum is σ = 217972656. Its totient is φ = 72657550.

The previous prime is 145315087. The next prime is 145315141. The reversal of 145315102 is 201513541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201513541 = 3169 ⋅63589.

It is a super-2 number, since 2×145315102² = 42232957738540808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36328774 + ... + 36328777.

It is an arithmetic number, because the mean of its divisors is an integer number (54493164).

Almost surely, 2^145315102 is an apocalyptic number.

145315102 is a deficient number, since it is larger than the sum of its proper divisors (72657554).

145315102 is an equidigital number, since it uses as much as digits as its factorization.

145315102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72657553.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 145315102 is about 12054.6713766904. The cubic root of 145315102 is about 525.7390673306.

Adding to 145315102 its reverse (201513541), we get a palindrome (346828643).

The spelling of 145315102 in words is "one hundred forty-five million, three hundred fifteen thousand, one hundred two".