1501020345 has 16 divisors (see below), whose sum is σ = 2619963072. Its totient is φ = 727767360.

The previous prime is 1501020281. The next prime is 1501020347. The reversal of 1501020345 is 5430201051.

It is not a de Polignac number, because 1501020345 - 2⁶ = 1501020281 is a prime.

It is a super-2 number, since 2×1501020345² = 4506124152207838050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1501020347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4548382 + ... + 4548711.

It is an arithmetic number, because the mean of its divisors is an integer number (163747692).

Almost surely, 2^1501020345 is an apocalyptic number.

1501020345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501020345 is a deficient number, since it is larger than the sum of its proper divisors (1118942727).

1501020345 is a wasteful number, since it uses less digits than its factorization.

1501020345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097112.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1501020345 is about 38743.0038200447. The cubic root of 1501020345 is about 1144.9737400460.

Adding to 1501020345 its reverse (5430201051), we get a palindrome (6931221396).

The spelling of 1501020345 in words is "one billion, five hundred one million, twenty thousand, three hundred forty-five".