1497145229 has 2 divisors, whose sum is σ = 1497145230. Its totient is φ = 1497145228.

The previous prime is 1497145211. The next prime is 1497145297. The reversal of 1497145229 is 9225417941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378117129 + 119028100 = 37123^2 + 10910^2 .

It is an emirp because it is prime and its reverse (9225417941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1497145229 - 2⁸ = 1497144973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1497145229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1497145729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748572614 + 748572615.

It is an arithmetic number, because the mean of its divisors is an integer number (748572615).

Almost surely, 2^1497145229 is an apocalyptic number.

It is an amenable number.

1497145229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497145229 is an equidigital number, since it uses as much as digits as its factorization.

1497145229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 1497145229 is about 38692.9609748337. The cubic root of 1497145229 is about 1143.9875820310.

The spelling of 1497145229 in words is "one billion, four hundred ninety-seven million, one hundred forty-five thousand, two hundred twenty-nine".