145372520246 has 8 divisors (see below), whose sum is σ = 218064126024. Its totient is φ = 72684478240.

The previous prime is 145372520219. The next prime is 145372520261. The reversal of 145372520246 is 642025273541.

145372520246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145372520246² (a number of 23 digits) 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786515 + ... + 953598.

It is an arithmetic number, because the mean of its divisors is an integer number (27258015753).

Almost surely, 2^145372520246 is an apocalyptic number.

145372520246 is a deficient number, since it is larger than the sum of its proper divisors (72691605778).

145372520246 is a wasteful number, since it uses less digits than its factorization.

145372520246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781886.

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 145372520246 its reverse (642025273541), we get a palindrome (787397793787).

The spelling of 145372520246 in words is "one hundred forty-five billion, three hundred seventy-two million, five hundred twenty thousand, two hundred forty-six".