145878037 has 8 divisors (see below), whose sum is σ = 155990232. Its totient is φ = 135936000.

The previous prime is 145878001. The next prime is 145878043. The reversal of 145878037 is 730878541.

It can be written as a sum of positive squares in 4 ways, for example, as 95765796 + 50112241 = 9786^2 + 7079^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 145878037 - 2¹⁹ = 145353749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145877984 and 145878002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145878097) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 40764 + ... + 44197.

It is an arithmetic number, because the mean of its divisors is an integer number (19498779).

Almost surely, 2^145878037 is an apocalyptic number.

145878037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145878037 is a deficient number, since it is larger than the sum of its proper divisors (10112195).

145878037 is a wasteful number, since it uses less digits than its factorization.

145878037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85079.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 145878037 is about 12077.9980543135. The cubic root of 145878037 is about 526.4170780117.

The spelling of 145878037 in words is "one hundred forty-five million, eight hundred seventy-eight thousand, thirty-seven".