1454220345 has 16 divisors (see below), whose sum is σ = 2329034112. Its totient is φ = 774823680.

The previous prime is 1454220343. The next prime is 1454220353. The reversal of 1454220345 is 5430224541.

It is not a de Polignac number, because 1454220345 - 2¹ = 1454220343 is a prime.

It is a super-2 number, since 2×1454220345² = 4229513623623838050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1454220343) 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, 31552 + ... + 62481.

It is an arithmetic number, because the mean of its divisors is an integer number (145564632).

Almost surely, 2^1454220345 is an apocalyptic number.

1454220345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1454220345 is a deficient number, since it is larger than the sum of its proper divisors (874813767).

1454220345 is a wasteful number, since it uses less digits than its factorization.

1454220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95072.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1454220345 is about 38134.2411095330. The cubic root of 1454220345 is about 1132.9482478224.

Adding to 1454220345 its reverse (5430224541), we get a palindrome (6884444886).

The spelling of 1454220345 in words is "one billion, four hundred fifty-four million, two hundred twenty thousand, three hundred forty-five".