1401662845 has 16 divisors (see below), whose sum is σ = 1837639872. Its totient is φ = 1017871360.

The previous prime is 1401662827. The next prime is 1401662863. The reversal of 1401662845 is 5482661041.

It is an interprime number because it is at equal distance from previous prime (1401662827) and next prime (1401662863).

It is not a de Polignac number, because 1401662845 - 2¹¹ = 1401660797 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 18909 + ... + 56221.

It is an arithmetic number, because the mean of its divisors is an integer number (114852492).

Almost surely, 2^1401662845 is an apocalyptic number.

It is an amenable number.

1401662845 is a deficient number, since it is larger than the sum of its proper divisors (435977027).

1401662845 is a wasteful number, since it uses less digits than its factorization.

1401662845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38012.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1401662845 is about 37438.7879745058. The cubic root of 1401662845 is about 1119.1316731088.

The spelling of 1401662845 in words is "one billion, four hundred one million, six hundred sixty-two thousand, eight hundred forty-five".