378723045 has 16 divisors (see below), whose sum is σ = 606932352. Its totient is φ = 201660480.

The previous prime is 378723043. The next prime is 378723053. The reversal of 378723045 is 540327873.

It is not a de Polignac number, because 378723045 - 2¹ = 378723043 is a prime.

It is a super-2 number, since 2×378723045² = 286862289628144050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 378722994 and 378723012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378723043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10542 + ... + 29471.

It is an arithmetic number, because the mean of its divisors is an integer number (37933272).

Almost surely, 2^378723045 is an apocalyptic number.

It is an amenable number.

378723045 is a deficient number, since it is larger than the sum of its proper divisors (228209307).

378723045 is a wasteful number, since it uses less digits than its factorization.

378723045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40652.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 378723045 is about 19460.8079225915. The cubic root of 378723045 is about 723.5034018384.

The spelling of 378723045 in words is "three hundred seventy-eight million, seven hundred twenty-three thousand, forty-five".